[v2,101/101] fbdev: Constify option strings

Message ID	20230309160201.5163-102-tzimmermann@suse.de
State	New
Headers	show Return-Path: <linux-fbdev-owner@vger.kernel.org> From: Thomas Zimmermann <tzimmermann@suse.de> To: deller@gmx.de, geert+renesas@glider.be, timur@kernel.org, rdunlap@infradead.org, paulus@samba.org, benh@kernel.crashing.org, linux@armlinux.org.uk, pjones@redhat.com, adaplas@gmail.com, s.hauer@pengutronix.de, shawnguo@kernel.org, mbroemme@libmpq.org, thomas@winischhofer.net, James.Bottomley@HansenPartnership.com, sudipm.mukherjee@gmail.com, teddy.wang@siliconmotion.com, corbet@lwn.net Cc: linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Thomas Zimmermann <tzimmermann@suse.de> Subject: [PATCH v2 101/101] fbdev: Constify option strings Date: Thu, 9 Mar 2023 17:02:01 +0100 Message-Id: <20230309160201.5163-102-tzimmermann@suse.de> In-Reply-To: <20230309160201.5163-1-tzimmermann@suse.de> References: <20230309160201.5163-1-tzimmermann@suse.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk
Series	fbdev: Fix memory leak in option parsing \| expand [v2,000/101] fbdev: Fix memory leak in option parsing [v2,001/101] lib: Add option iterator [v2,002/101] fbdev/68328fb: Remove trailing whitespaces [v2,003/101] fbdev/68328fb: Remove unused option string [v2,004/101] fbdev/acornfb: Only init fb_info once [v2,005/101] fbdev/acornfb: Parse option string with struct option_iter [v2,006/101] fbdev/amifb: Duplicate video-mode option string [v2,007/101] fbdev/amifb: Parse option string with struct option_iter [v2,008/101] fbdev/arkfb: Duplicate video-mode option string [v2,009/101] fbdev/atafb: Duplicate video-mode option string [v2,010/101] fbdev/atafb: Parse option string with struct option_iter [v2,011/101] fbdev/aty: Duplicate video-mode option string [v2,012/101] fbdev/aty: Parse option string with struct option_iter [v2,013/101] fbdev/au1100fb: Parse option string with struct option_iter [v2,014/101] fbdev/au1200fb: Parse option string with struct option_iter [v2,015/101] fbdev/cirrusfb: Duplicate video-mode option string [v2,016/101] fbdev/cirrusfb: Parse option string with struct option_iter [v2,017/101] fbdev/controlfb: Remove trailing whitespaces [v2,018/101] fbdev/controlfb: Parse option string with struct option_iter [v2,019/101] fbdev/cyber2000fb: Parse option string with struct option_iter [v2,020/101] fbdev/efifb: Parse option string with struct option_iter [v2,021/101] fbdev/fm2fb: Parse option string with struct option_iter [v2,022/101] fbdev/fsl-diu-fb: Duplicate video-mode option string [v2,023/101] fbdev/fsl-diu-fb: Parse option string with struct option_iter [v2,024/101] fbdev/gbefb: Duplicate video-mode option string [v2,025/101] fbdev/gbefb: Parse option string with struct option_iter [v2,026/101] fbdev/geode: Duplicate video-mode option string [v2,027/101] fbdev/geode: Parse option string with struct option_iter [v2,028/101] fbdev/grvga: Duplicate video-mode option string [v2,029/101] fbdev/grvga: Parse option string with struct option_iter [v2,030/101] fbdev/gxt4500: Duplicate video-mode option string [v2,031/101] fbdev/hyperv_fb: Duplicate video-mode option string [v2,032/101] fbdev/i740fb: Duplicate video-mode option string [v2,033/101] fbdev/i740fb: Parse option string with struct option_iter [v2,034/101] fbdev/i810: Duplicate video-mode option string [v2,035/101] fbdev/i810: Parse option string with struct option_iter [v2,036/101] fbdev/imsttfb: Parse option string with struct option_iter [v2,037/101] fbdev/intelfb: Duplicate video-mode option string [v2,038/101] fbdev/intelfb: Parse option string with struct option_iter [v2,039/101] fbdev/imxfb: Duplicate video-mode option string [v2,040/101] fbdev/imxfb: Parse option string with struct option_iter [v2,041/101] fbdev/kyrofb: Duplicate video-mode option string [v2,042/101] fbdev/kyrofb: Parse option string with struct option_iter [v2,043/101] fbdev/macfb: Remove trailing whitespaces [v2,044/101] fbdev/macfb: Parse option string with struct option_iter [v2,045/101] fbdev/matroxfb: Parse option string with struct option_iter [v2,046/101] fbdev/mx3fb: Duplicate video-mode option string [v2,047/101] fbdev/mx3fb: Parse option string with struct option_iter [v2,048/101] fbdev/neofb: Duplicate video-mode option string [v2,049/101] fbdev/neofb: Parse option string with struct option_iter [v2,050/101] fbdev/nvidiafb: Duplicate video-mode option string [v2,051/101] fbdev/nvidiafb: Parse option string with struct option_iter [v2,052/101] fbdev/ocfb: Duplicate video-mode option string [v2,053/101] fbdev/ocfb: Parse option string with struct option_iter [v2,054/101] fbdev/omapfb: Parse option string with struct option_iter [v2,055/101] fbdev/platinumfb: Remove trailing whitespaces [v2,056/101] fbdev/platinumfb: Parse option string with struct option_iter [v2,057/101] fbdev/pm2fb: Duplicate video-mode option string [v2,058/101] fbdev/pm2fb: Parse option string with struct option_iter [v2,059/101] fbdev/pm3fb: Duplicate video-mode option string [v2,060/101] fbdev/pm3fb: Parse option string with struct option_iter [v2,061/101] fbdev/ps3fb: Duplicate video-mode option string [v2,062/101] fbdev/ps3fb: Parse option string with struct option_iter [v2,063/101] fbdev/pvr2fb: Duplicate video-mode option string [v2,064/101] fbdev/pvr2fb: Parse option string with struct option_iter [v2,065/101] fbdev/pxafb: Parse option string with struct option_iter [v2,066/101] fbdev/rivafb: Duplicate video-mode option string [v2,067/101] fbdev/rivafb: Parse option string with struct option_iter [v2,068/101] fbdev/s3fb: Duplicate video-mode option string [v2,069/101] fbdev/s3fb: Parse option string with struct option_iter [v2,070/101] fbdev/savagefb: Duplicate video-mode option string [v2,071/101] fbdev/savagefb: Parse option string with struct option_iter [v2,072/101] fbdev/sisfb: Constify mode string [v2,073/101] fbdev/sisfb: Parse option string with struct option_iter [v2,074/101] fbdev/skeletonfb: Parse option string with struct option_iter [v2,075/101] fbdev/sm712fb: Duplicate video-mode option string [v2,076/101] fbdev/sstfb: Duplicate video-mode option string [v2,077/101] fbdev/sstfb: Parse option string with struct option_iter [v2,078/101] fbdev/stifb: Remove trailing whitespaces [v2,079/101] fbdev/stifb: Constify option string [v2,080/101] fbdev/tdfxfb: Duplicate video-mode option string [v2,081/101] fbdev/tdfxfb: Parse option string with struct option_iter [v2,082/101] fbdev/tgafb: Duplicate video-mode option string [v2,083/101] fbdev/tgafb: Parse option string with struct option_iter [v2,084/101] fbdev/tmiofb: Remove unused option string [v2,085/101] fbdev/tridentfb: Duplicate video-mode option string [v2,086/101] fbdev/tridentfb: Parse option string with struct option_iter [v2,087/101] fbdev/uvesafb: Duplicate video-mode option string [v2,088/101] fbdev/uvesafb: Parse option string with struct option_iter [v2,089/101] fbdev/valkyriefb: Remove trailing whitespaces [v2,090/101] fbdev/valkyriefb: Parse option string with struct option_iter [v2,091/101] fbdev/vermilion: Remove unused option string [v2,092/101] fbdev/vesafb: Parse option string with struct option_iter [v2,093/101] fbdev/vfb: Remove trailing whitespaces [v2,094/101] fbdev/vfb: Duplicate video-mode option string [v2,095/101] fbdev/vfb: Parse option string with struct option_iter [v2,096/101] fbdev/viafb: Parse option string with struct option_iter [v2,097/101] fbdev/vt8623fb: Duplicate video-mode option string [v2,098/101] staging/sm750fb: Release g_settings in module-exit function [v2,099/101] staging/sm750fb: Duplicate video-mode option string [v2,100/101] staging/sm750fb: Parse option string with struct option_iter [v2,101/101] fbdev: Constify option strings

diff --git a/drivers/staging/sm750fb/sm750.c b/drivers/staging/sm750fb/sm750.c index 0e3712fcf0e0..3d7cde9add4e 100644 --- a/drivers/staging/sm750fb/sm750.c +++ b/drivers/staging/sm750fb/sm750.c @@ -1165,7 +1165,7 @@ static struct pci_driver lynxfb_driver = { static int __init lynxfb_init(void) { - char *option; + const char *option; if (fb_modesetting_disabled("sm750fb")) return -ENODEV; diff --git a/drivers/video/fbdev/acornfb.c b/drivers/video/fbdev/acornfb.c index 3fed89e03554..27e6796b27b6 100644 --- a/drivers/video/fbdev/acornfb.c +++ b/drivers/video/fbdev/acornfb.c @@ -926,7 +926,7 @@ static int acornfb_probe(struct platform_device *dev) unsigned long size; u_int h_sync, v_sync; int rc, i; - char *option = NULL; + const char *option = NULL; if (fb_get_options("acornfb", &option)) return -ENODEV; diff --git a/drivers/video/fbdev/amifb.c b/drivers/video/fbdev/amifb.c index a09edc576437..f0ed718a4f3c 100644 --- a/drivers/video/fbdev/amifb.c +++ b/drivers/video/fbdev/amifb.c @@ -3539,7 +3539,7 @@ static int __init amifb_probe(struct platform_device *pdev) u_int defmode; #ifndef MODULE - char *option = NULL; + const char *option = NULL; if (fb_get_options("amifb", &option)) { amifb_video_off(); diff --git a/drivers/video/fbdev/arkfb.c b/drivers/video/fbdev/arkfb.c index 98c710cadaab..7e9f5b37fd50 100644 --- a/drivers/video/fbdev/arkfb.c +++ b/drivers/video/fbdev/arkfb.c @@ -1188,7 +1188,7 @@ static int __init arkfb_init(void) { #ifndef MODULE - char *option = NULL; + const char *option = NULL; #endif if (fb_modesetting_disabled("arkfb")) diff --git a/drivers/video/fbdev/atafb.c b/drivers/video/fbdev/atafb.c index 6e625ac020b5..2ede6ce0ec0e 100644 --- a/drivers/video/fbdev/atafb.c +++ b/drivers/video/fbdev/atafb.c @@ -2991,7 +2991,7 @@ static int __init atafb_probe(struct platform_device *pdev) int pad, detected_mode, error; unsigned int defmode = 0; unsigned long mem_req; - char *option = NULL; + const char *option = NULL; if (fb_get_options("atafb", &option)) return -ENODEV; diff --git a/drivers/video/fbdev/aty/aty128fb.c b/drivers/video/fbdev/aty/aty128fb.c index ee2be122de2d..e7e1c7c0da92 100644 --- a/drivers/video/fbdev/aty/aty128fb.c +++ b/drivers/video/fbdev/aty/aty128fb.c @@ -2509,7 +2509,7 @@ static int __maybe_unused aty128_pci_resume(struct device *dev) static int aty128fb_init(void) { #ifndef MODULE - char *option = NULL; + const char *option = NULL; #endif if (fb_modesetting_disabled("aty128fb")) diff --git a/drivers/video/fbdev/aty/atyfb_base.c b/drivers/video/fbdev/aty/atyfb_base.c index f4b22d2f0d3d..73a54738f58c 100644 --- a/drivers/video/fbdev/aty/atyfb_base.c +++ b/drivers/video/fbdev/aty/atyfb_base.c @@ -3965,7 +3965,7 @@ static int __init atyfb_init(void) { int err1 = 1, err2 = 1; #ifndef MODULE - char *option = NULL; + const char *option = NULL; #endif if (fb_modesetting_disabled("atyfb")) diff --git a/drivers/video/fbdev/aty/radeon_base.c b/drivers/video/fbdev/aty/radeon_base.c index 975323e82f52..a44f9c423703 100644 --- a/drivers/video/fbdev/aty/radeon_base.c +++ b/drivers/video/fbdev/aty/radeon_base.c @@ -2611,7 +2611,7 @@ static int __init radeonfb_setup (const char *options) static int __init radeonfb_init (void) { #ifndef MODULE - char *option = NULL; + const char *option = NULL; #endif if (fb_modesetting_disabled("radeonfb")) diff --git a/drivers/video/fbdev/au1100fb.c b/drivers/video/fbdev/au1100fb.c index 0c063c8e6312..4034aeb37d45 100644 --- a/drivers/video/fbdev/au1100fb.c +++ b/drivers/video/fbdev/au1100fb.c @@ -366,7 +366,7 @@ static const struct fb_ops au1100fb_ops = static int au1100fb_setup(struct au1100fb_device *fbdev) { - char *options; + const char *options; struct option_iter iter; char *this_opt; int num_panels = ARRAY_SIZE(known_lcd_panels); diff --git a/drivers/video/fbdev/au1200fb.c b/drivers/video/fbdev/au1200fb.c index 43b6a9dfeec4..9e84a1095d2f 100644 --- a/drivers/video/fbdev/au1200fb.c +++ b/drivers/video/fbdev/au1200fb.c @@ -1578,7 +1578,7 @@ static int au1200fb_init_fbinfo(struct au1200fb_device *fbdev) static int au1200fb_setup(struct au1200fb_platdata *pd) { - char *options = NULL; + const char *options = NULL; struct option_iter iter; char *this_opt; char *endptr; diff --git a/drivers/video/fbdev/cirrusfb.c b/drivers/video/fbdev/cirrusfb.c index a5e99a8feadd..dc900f2fcd01 100644 --- a/drivers/video/fbdev/cirrusfb.c +++ b/drivers/video/fbdev/cirrusfb.c @@ -2363,7 +2363,7 @@ static int __init cirrusfb_init(void) int error = 0; #ifndef MODULE - char *option = NULL; + const char *option = NULL; #endif if (fb_modesetting_disabled("cirrusfb")) diff --git a/drivers/video/fbdev/controlfb.c b/drivers/video/fbdev/controlfb.c index 65e2f9949420..a02a5ea99a7a 100644 --- a/drivers/video/fbdev/controlfb.c +++ b/drivers/video/fbdev/controlfb.c @@ -1004,7 +1004,7 @@ static int __init control_of_init(struct device_node *dp) static int __init control_init(void) { struct device_node *dp; - char *option = NULL; + const char *option = NULL; int ret = -ENXIO; if (fb_get_options("controlfb", &option)) diff --git a/drivers/video/fbdev/core/fb_cmdline.c b/drivers/video/fbdev/core/fb_cmdline.c index 4d1634c492ec..67f9df7096f1 100644 --- a/drivers/video/fbdev/core/fb_cmdline.c +++ b/drivers/video/fbdev/core/fb_cmdline.c @@ -28,12 +28,9 @@ * (video=<name>:<options>) * @option: the option will be stored here * - * The caller owns the string returned in @option and is - * responsible for releasing the memory. - * * NOTE: Needed to maintain backwards compatibility */ -int fb_get_options(const char *name, char **option) +int fb_get_options(const char *name, const char **option) { const char *options = NULL; bool is_of = false; @@ -49,12 +46,8 @@ int fb_get_options(const char *name, char **option) enabled = false; } - if (option) { - if (options) - *option = kstrdup(options, GFP_KERNEL); - else - *option = NULL; - } + if (option) + *option = options; return enabled ? 0 : 1; // 0 on success, 1 otherwise } diff --git a/drivers/video/fbdev/core/modedb.c b/drivers/video/fbdev/core/modedb.c index 23cf8eba785d..5ff5a56925cc 100644 --- a/drivers/video/fbdev/core/modedb.c +++ b/drivers/video/fbdev/core/modedb.c @@ -620,7 +620,6 @@ int fb_find_mode(struct fb_var_screeninfo *var, const struct fb_videomode *default_mode, unsigned int default_bpp) { - char *mode_option_buf = NULL; int i; /* Set up defaults */ @@ -636,10 +635,8 @@ int fb_find_mode(struct fb_var_screeninfo *var, default_bpp = 8; /* Did the user specify a video mode? */ - if (!mode_option) { - fb_get_options(NULL, &mode_option_buf); - mode_option = mode_option_buf; - } + if (!mode_option) + fb_get_options(NULL, &mode_option); if (mode_option) { const char *name = mode_option; unsigned int namelen = strlen(name); @@ -718,7 +715,6 @@ int fb_find_mode(struct fb_var_screeninfo *var, res_specified = 1; } done: - kfree(mode_option_buf); if (cvt) { struct fb_videomode cvt_mode; int ret; diff --git a/drivers/video/fbdev/cyber2000fb.c b/drivers/video/fbdev/cyber2000fb.c index f21d11a73455..c6a46e870e98 100644 --- a/drivers/video/fbdev/cyber2000fb.c +++ b/drivers/video/fbdev/cyber2000fb.c @@ -1877,7 +1877,7 @@ static int __init cyber2000fb_init(void) int ret = -1, err; #ifndef MODULE - char *option = NULL; + const char *option = NULL; #endif if (fb_modesetting_disabled("CyberPro")) diff --git a/drivers/video/fbdev/efifb.c b/drivers/video/fbdev/efifb.c index be77a76f7d1d..1fc1dee75552 100644 --- a/drivers/video/fbdev/efifb.c +++ b/drivers/video/fbdev/efifb.c @@ -366,7 +366,7 @@ static int efifb_probe(struct platform_device *dev) unsigned int size_vmode; unsigned int size_remap; unsigned int size_total; - char *option = NULL; + const char *option = NULL; efi_memory_desc_t md; if (screen_info.orig_video_isVGA != VIDEO_TYPE_EFI || pci_dev_disabled) diff --git a/drivers/video/fbdev/ep93xx-fb.c b/drivers/video/fbdev/ep93xx-fb.c index 305f1587bd89..33a9aa2ecc3b 100644 --- a/drivers/video/fbdev/ep93xx-fb.c +++ b/drivers/video/fbdev/ep93xx-fb.c @@ -464,7 +464,7 @@ static int ep93xxfb_probe(struct platform_device *pdev) struct fb_info *info; struct ep93xx_fbi *fbi; struct resource *res; - char *video_mode; + const char *video_mode; int err; if (!mach_info) diff --git a/drivers/video/fbdev/fm2fb.c b/drivers/video/fbdev/fm2fb.c index a787884a6a7f..79607301e176 100644 --- a/drivers/video/fbdev/fm2fb.c +++ b/drivers/video/fbdev/fm2fb.c @@ -315,7 +315,7 @@ static int __init fm2fb_setup(const char *options) static int __init fm2fb_init(void) { - char *option = NULL; + const char *option = NULL; if (fb_get_options("fm2fb", &option)) return -ENODEV; diff --git a/drivers/video/fbdev/fsl-diu-fb.c b/drivers/video/fbdev/fsl-diu-fb.c index 78996995568c..c0c13135a6e1 100644 --- a/drivers/video/fbdev/fsl-diu-fb.c +++ b/drivers/video/fbdev/fsl-diu-fb.c @@ -1903,7 +1903,7 @@ static int __init fsl_diu_init(void) #endif int ret; #ifndef MODULE - char *option; + const char *option; /* * For kernel boot options (in 'video=xxxfb:<options>' format) diff --git a/drivers/video/fbdev/gbefb.c b/drivers/video/fbdev/gbefb.c index d20ef48263f3..a5e480964fa4 100644 --- a/drivers/video/fbdev/gbefb.c +++ b/drivers/video/fbdev/gbefb.c @@ -1125,7 +1125,7 @@ static int gbefb_probe(struct platform_device *p_dev) struct fb_info *info; struct gbefb_par *par; #ifndef MODULE - char *options = NULL; + const char *options = NULL; #endif info = framebuffer_alloc(sizeof(struct gbefb_par), &p_dev->dev); diff --git a/drivers/video/fbdev/geode/gx1fb_core.c b/drivers/video/fbdev/geode/gx1fb_core.c index 6f1e9aadc192..c51e69b98ba8 100644 --- a/drivers/video/fbdev/geode/gx1fb_core.c +++ b/drivers/video/fbdev/geode/gx1fb_core.c @@ -445,7 +445,7 @@ static struct pci_driver gx1fb_driver = { static int __init gx1fb_init(void) { #ifndef MODULE - char *option = NULL; + const char *option = NULL; #endif if (fb_modesetting_disabled("gx1fb")) diff --git a/drivers/video/fbdev/geode/gxfb_core.c b/drivers/video/fbdev/geode/gxfb_core.c index aede22566775..6a1391f88599 100644 --- a/drivers/video/fbdev/geode/gxfb_core.c +++ b/drivers/video/fbdev/geode/gxfb_core.c @@ -512,7 +512,7 @@ static int __init gxfb_setup(const char *options) static int __init gxfb_init(void) { #ifndef MODULE - char *option = NULL; + const char *option = NULL; #endif if (fb_modesetting_disabled("gxfb")) diff --git a/drivers/video/fbdev/geode/lxfb_core.c b/drivers/video/fbdev/geode/lxfb_core.c index 855dc96b5669..2496bf85b6f3 100644 --- a/drivers/video/fbdev/geode/lxfb_core.c +++ b/drivers/video/fbdev/geode/lxfb_core.c @@ -650,7 +650,7 @@ static int __init lxfb_setup(const char *options) static int __init lxfb_init(void) { #ifndef MODULE - char *option = NULL; + const char *option = NULL; #endif if (fb_modesetting_disabled("lxfb")) diff --git a/drivers/video/fbdev/grvga.c b/drivers/video/fbdev/grvga.c index 742331d0f08b..e39997a36ccc 100644 --- a/drivers/video/fbdev/grvga.c +++ b/drivers/video/fbdev/grvga.c @@ -334,7 +334,8 @@ static int grvga_probe(struct platform_device *dev) unsigned long physical_start = 0; unsigned long grvga_mem_size = 0; struct grvga_par *par = NULL; - char *options = NULL, *mode_opt = NULL; + const char *options = NULL; + const *mode_opt = NULL; struct option_iter iter; char *this_opt; diff --git a/drivers/video/fbdev/gxt4500.c b/drivers/video/fbdev/gxt4500.c index 65cb44c281c1..21c0fbddcbdb 100644 --- a/drivers/video/fbdev/gxt4500.c +++ b/drivers/video/fbdev/gxt4500.c @@ -781,7 +781,7 @@ static struct pci_driver gxt4500_driver = { static int gxt4500_init(void) { #ifndef MODULE - char *options; + const char *options; #endif if (fb_modesetting_disabled("gxt4500")) diff --git a/drivers/video/fbdev/hyperv_fb.c b/drivers/video/fbdev/hyperv_fb.c index edb0555239c6..c7956626eed0 100644 --- a/drivers/video/fbdev/hyperv_fb.c +++ b/drivers/video/fbdev/hyperv_fb.c @@ -903,7 +903,7 @@ static const struct fb_ops hvfb_ops = { static void hvfb_get_option(struct fb_info *info) { struct hvfb_par *par = info->par; - char *options = NULL; + const char *options = NULL; char *optbuf, *opt, *p; uint x = 0, y = 0; diff --git a/drivers/video/fbdev/i740fb.c b/drivers/video/fbdev/i740fb.c index 6da2f3b7846d..2c852f3ce450 100644 --- a/drivers/video/fbdev/i740fb.c +++ b/drivers/video/fbdev/i740fb.c @@ -1289,7 +1289,7 @@ static int __init i740fb_setup(const char *options) static int __init i740fb_init(void) { #ifndef MODULE - char *option = NULL; + const char *option = NULL; #endif if (fb_modesetting_disabled("i740fb")) diff --git a/drivers/video/fbdev/i810/i810_main.c b/drivers/video/fbdev/i810/i810_main.c index 952d1a69dfb9..428bd5b53e98 100644 --- a/drivers/video/fbdev/i810/i810_main.c +++ b/drivers/video/fbdev/i810/i810_main.c @@ -2150,7 +2150,7 @@ static void i810fb_remove_pci(struct pci_dev *dev) #ifndef MODULE static int i810fb_init(void) { - char *option = NULL; + const char *option = NULL; if (fb_modesetting_disabled("i810fb")) return -ENODEV; diff --git a/drivers/video/fbdev/imsttfb.c b/drivers/video/fbdev/imsttfb.c index 1e2b45faa26b..98a9a5891822 100644 --- a/drivers/video/fbdev/imsttfb.c +++ b/drivers/video/fbdev/imsttfb.c @@ -1620,7 +1620,7 @@ imsttfb_setup(const char *options) static int __init imsttfb_init(void) { #ifndef MODULE - char *option = NULL; + const char *option = NULL; #endif if (fb_modesetting_disabled("imsttfb")) diff --git a/drivers/video/fbdev/imxfb.c b/drivers/video/fbdev/imxfb.c index d4e347aca0b0..ca67b32a29dd 100644 --- a/drivers/video/fbdev/imxfb.c +++ b/drivers/video/fbdev/imxfb.c @@ -846,7 +846,7 @@ static struct lcd_ops imxfb_lcd_ops = { static int imxfb_setup(struct platform_device *pdev) { - char *options = NULL; + const char *options = NULL; struct option_iter iter; char *opt; diff --git a/drivers/video/fbdev/intelfb/intelfbdrv.c b/drivers/video/fbdev/intelfb/intelfbdrv.c index 43d677897392..664a8625e25c 100644 --- a/drivers/video/fbdev/intelfb/intelfbdrv.c +++ b/drivers/video/fbdev/intelfb/intelfbdrv.c @@ -385,7 +385,7 @@ static int __init intelfb_setup(const char *options) static int __init intelfb_init(void) { #ifndef MODULE - char *option = NULL; + const char *option = NULL; #endif DBG_MSG("intelfb_init\n"); diff --git a/drivers/video/fbdev/kyro/fbdev.c b/drivers/video/fbdev/kyro/fbdev.c index ccfec4e55ecf..903f0ac03bca 100644 --- a/drivers/video/fbdev/kyro/fbdev.c +++ b/drivers/video/fbdev/kyro/fbdev.c @@ -792,7 +792,7 @@ static void kyrofb_remove(struct pci_dev *pdev) static int __init kyrofb_init(void) { #ifndef MODULE - char *option = NULL; + const char *option = NULL; #endif if (fb_modesetting_disabled("kyrofb")) diff --git a/drivers/video/fbdev/macfb.c b/drivers/video/fbdev/macfb.c index c7e17a14daf1..dbddf9e83b2f 100644 --- a/drivers/video/fbdev/macfb.c +++ b/drivers/video/fbdev/macfb.c @@ -541,7 +541,7 @@ static int __init macfb_init(void) { int video_cmap_len, video_is_nubus = 0; struct nubus_rsrc *ndev = NULL; - char *option = NULL; + const char *option = NULL; int err; if (fb_get_options("macfb", &option)) diff --git a/drivers/video/fbdev/matrox/matroxfb_base.c b/drivers/video/fbdev/matrox/matroxfb_base.c index 4c2086136e9b..c1d1076bc172 100644 --- a/drivers/video/fbdev/matrox/matroxfb_base.c +++ b/drivers/video/fbdev/matrox/matroxfb_base.c @@ -2475,7 +2475,7 @@ static int __initdata initialized = 0; static int __init matroxfb_init(void) { - char *option = NULL; + const char *option = NULL; int err = 0; DBG(__func__) diff --git a/drivers/video/fbdev/mx3fb.c b/drivers/video/fbdev/mx3fb.c index ca58afe366b4..04818f352eea 100644 --- a/drivers/video/fbdev/mx3fb.c +++ b/drivers/video/fbdev/mx3fb.c @@ -1655,7 +1655,7 @@ static struct platform_driver mx3fb_driver = { static int __init mx3fb_setup(void) { #ifndef MODULE - char *options = NULL; + const char *options = NULL; struct option_iter iter; char *opt; diff --git a/drivers/video/fbdev/neofb.c b/drivers/video/fbdev/neofb.c index 01ed78d987b1..21e8a72cda90 100644 --- a/drivers/video/fbdev/neofb.c +++ b/drivers/video/fbdev/neofb.c @@ -2213,7 +2213,7 @@ static int __init neofb_setup(const char *options) static int __init neofb_init(void) { #ifndef MODULE - char *option = NULL; + const char *option = NULL; #endif if (fb_modesetting_disabled("neofb")) diff --git a/drivers/video/fbdev/nvidia/nvidia.c b/drivers/video/fbdev/nvidia/nvidia.c index d779163f919a..bd649539181f 100644 --- a/drivers/video/fbdev/nvidia/nvidia.c +++ b/drivers/video/fbdev/nvidia/nvidia.c @@ -1532,7 +1532,7 @@ static struct pci_driver nvidiafb_driver = { static int nvidiafb_init(void) { #ifndef MODULE - char *option = NULL; + const char *option = NULL; #endif if (fb_modesetting_disabled("nvidiafb")) diff --git a/drivers/video/fbdev/ocfb.c b/drivers/video/fbdev/ocfb.c index fa15b932b323..07b7d5e61895 100644 --- a/drivers/video/fbdev/ocfb.c +++ b/drivers/video/fbdev/ocfb.c @@ -412,7 +412,7 @@ static struct platform_driver ocfb_driver = { static int __init ocfb_init(void) { #ifndef MODULE - char *option = NULL; + const char *option = NULL; if (fb_get_options("ocfb", &option)) return -ENODEV; diff --git a/drivers/video/fbdev/omap/omapfb_main.c b/drivers/video/fbdev/omap/omapfb_main.c index db5256c71f5b..8715eaf8ddf6 100644 --- a/drivers/video/fbdev/omap/omapfb_main.c +++ b/drivers/video/fbdev/omap/omapfb_main.c @@ -1905,7 +1905,7 @@ static int __init omapfb_setup(const char *options) static int __init omapfb_init(void) { #ifndef MODULE - char *option; + const char *option; if (fb_get_options("omapfb", &option)) return -ENODEV; diff --git a/drivers/video/fbdev/platinumfb.c b/drivers/video/fbdev/platinumfb.c index 33bf75309815..ab75df9d0bb6 100644 --- a/drivers/video/fbdev/platinumfb.c +++ b/drivers/video/fbdev/platinumfb.c @@ -683,7 +683,7 @@ static struct platform_driver platinum_driver = static int __init platinumfb_init(void) { #ifndef MODULE - char *option = NULL; + const char *option = NULL; if (fb_get_options("platinumfb", &option)) return -ENODEV; diff --git a/drivers/video/fbdev/pm2fb.c b/drivers/video/fbdev/pm2fb.c index 38c5c57ce2b0..d87ceaaf529d 100644 --- a/drivers/video/fbdev/pm2fb.c +++ b/drivers/video/fbdev/pm2fb.c @@ -1809,7 +1809,7 @@ static int __init pm2fb_setup(const char *options) static int __init pm2fb_init(void) { #ifndef MODULE - char *option = NULL; + const char *option = NULL; #endif if (fb_modesetting_disabled("pm2fb")) diff --git a/drivers/video/fbdev/pm3fb.c b/drivers/video/fbdev/pm3fb.c index c4d4f08b4114..500a8c1130c6 100644 --- a/drivers/video/fbdev/pm3fb.c +++ b/drivers/video/fbdev/pm3fb.c @@ -1545,7 +1545,7 @@ static int __init pm3fb_init(void) * For kernel boot options (in 'video=pm3fb:<options>' format) */ #ifndef MODULE - char *option = NULL; + const char *option = NULL; #endif if (fb_modesetting_disabled("pm3fb")) diff --git a/drivers/video/fbdev/ps3fb.c b/drivers/video/fbdev/ps3fb.c index 575b2911977a..62236bbb02b5 100644 --- a/drivers/video/fbdev/ps3fb.c +++ b/drivers/video/fbdev/ps3fb.c @@ -1257,7 +1257,7 @@ static struct ps3_system_bus_driver ps3fb_driver = { static int __init ps3fb_setup(void) { - char *options; + const char *options; struct option_iter iter; char *this_opt; diff --git a/drivers/video/fbdev/pvr2fb.c b/drivers/video/fbdev/pvr2fb.c index c332f2c38114..acc81fb11da1 100644 --- a/drivers/video/fbdev/pvr2fb.c +++ b/drivers/video/fbdev/pvr2fb.c @@ -1085,7 +1085,7 @@ static int __init pvr2fb_init(void) int i, ret = -ENODEV; #ifndef MODULE - char *option = NULL; + const char *option = NULL; #endif if (fb_modesetting_disabled("pvr2fb")) diff --git a/drivers/video/fbdev/pxafb.c b/drivers/video/fbdev/pxafb.c index d2db9c20d515..0699710b0beb 100644 --- a/drivers/video/fbdev/pxafb.c +++ b/drivers/video/fbdev/pxafb.c @@ -2040,7 +2040,7 @@ static char g_options[256] = ""; #ifndef MODULE static int __init pxafb_setup_options(void) { - char *options = NULL; + const char *options = NULL; if (fb_get_options("pxafb", &options)) return -ENODEV; diff --git a/drivers/video/fbdev/riva/fbdev.c b/drivers/video/fbdev/riva/fbdev.c index 7f35edad249e..934c6e30109b 100644 --- a/drivers/video/fbdev/riva/fbdev.c +++ b/drivers/video/fbdev/riva/fbdev.c @@ -2167,7 +2167,7 @@ static struct pci_driver rivafb_driver = { static int rivafb_init(void) { #ifndef MODULE - char *option = NULL; + const char *option = NULL; #endif if (fb_modesetting_disabled("rivafb")) diff --git a/drivers/video/fbdev/s3fb.c b/drivers/video/fbdev/s3fb.c index 37f5ea25efd6..824325eb9fbe 100644 --- a/drivers/video/fbdev/s3fb.c +++ b/drivers/video/fbdev/s3fb.c @@ -1562,7 +1562,7 @@ static int __init s3fb_init(void) { #ifndef MODULE - char *option = NULL; + const char *option = NULL; #endif if (fb_modesetting_disabled("s3fb")) diff --git a/drivers/video/fbdev/savage/savagefb_driver.c b/drivers/video/fbdev/savage/savagefb_driver.c index 4650688fd23c..a6e573b2d996 100644 --- a/drivers/video/fbdev/savage/savagefb_driver.c +++ b/drivers/video/fbdev/savage/savagefb_driver.c @@ -2560,7 +2560,7 @@ static int __init savagefb_setup(const char *options) static int __init savagefb_init(void) { - char *option; + const char *option; DBG("savagefb_init"); diff --git a/drivers/video/fbdev/sis/sis_main.c b/drivers/video/fbdev/sis/sis_main.c index 9f63812a5f66..d8109dd20bc6 100644 --- a/drivers/video/fbdev/sis/sis_main.c +++ b/drivers/video/fbdev/sis/sis_main.c @@ -6587,7 +6587,7 @@ static struct pci_driver sisfb_driver = { static int __init sisfb_init(void) { #ifndef MODULE - char *options = NULL; + const char *options = NULL; #endif if (fb_modesetting_disabled("sisfb")) diff --git a/drivers/video/fbdev/skeletonfb.c b/drivers/video/fbdev/skeletonfb.c index ee6944d0ebc1..f6efad18e4d7 100644 --- a/drivers/video/fbdev/skeletonfb.c +++ b/drivers/video/fbdev/skeletonfb.c @@ -899,7 +899,7 @@ static int __init xxxfb_init(void) * For kernel boot options (in 'video=xxxfb:<options>' format) */ #ifndef MODULE - char *option = NULL; + const char *option = NULL; if (fb_get_options("xxxfb", &option)) return -ENODEV; diff --git a/drivers/video/fbdev/sm712fb.c b/drivers/video/fbdev/sm712fb.c index a83f48fce5b1..c6232bc688ea 100644 --- a/drivers/video/fbdev/sm712fb.c +++ b/drivers/video/fbdev/sm712fb.c @@ -1755,7 +1755,7 @@ static struct pci_driver smtcfb_driver = { static int __init sm712fb_init(void) { - char *option = NULL; + const char *option = NULL; if (fb_modesetting_disabled("sm712fb")) return -ENODEV; diff --git a/drivers/video/fbdev/sstfb.c b/drivers/video/fbdev/sstfb.c index b509020fed74..7a0a612a7658 100644 --- a/drivers/video/fbdev/sstfb.c +++ b/drivers/video/fbdev/sstfb.c @@ -1507,7 +1507,7 @@ static struct pci_driver sstfb_driver = { static int sstfb_init(void) { - char *option = NULL; + const char *option = NULL; if (fb_modesetting_disabled("sstfb")) return -ENODEV; diff --git a/drivers/video/fbdev/stifb.c b/drivers/video/fbdev/stifb.c index 304ce8fcb9f8..c1f28bb046d3 100644 --- a/drivers/video/fbdev/stifb.c +++ b/drivers/video/fbdev/stifb.c @@ -1401,7 +1401,7 @@ static int __init stifb_init(void) int i; #ifndef MODULE - char *option = NULL; + const char *option = NULL; if (fb_get_options("stifb", &option)) return -ENODEV; diff --git a/drivers/video/fbdev/tdfxfb.c b/drivers/video/fbdev/tdfxfb.c index 1fdaf328f03e..3158644454d7 100644 --- a/drivers/video/fbdev/tdfxfb.c +++ b/drivers/video/fbdev/tdfxfb.c @@ -1635,7 +1635,7 @@ static void tdfxfb_remove(struct pci_dev *pdev) static int __init tdfxfb_init(void) { #ifndef MODULE - char *option = NULL; + const char *option = NULL; #endif if (fb_modesetting_disabled("tdfxfb")) diff --git a/drivers/video/fbdev/tgafb.c b/drivers/video/fbdev/tgafb.c index 0862d9a54aef..ad88fc0cd01e 100644 --- a/drivers/video/fbdev/tgafb.c +++ b/drivers/video/fbdev/tgafb.c @@ -1600,7 +1600,7 @@ static int tgafb_init(void) { int status; #ifndef MODULE - char *option = NULL; + const char *option = NULL; #endif if (fb_modesetting_disabled("tgafb")) diff --git a/drivers/video/fbdev/tridentfb.c b/drivers/video/fbdev/tridentfb.c index 3299806c0f58..2a70b48e6d15 100644 --- a/drivers/video/fbdev/tridentfb.c +++ b/drivers/video/fbdev/tridentfb.c @@ -1818,7 +1818,7 @@ static int __init tridentfb_setup(const char *options) static int __init tridentfb_init(void) { #ifndef MODULE - char *option = NULL; + const char *option = NULL; #endif if (fb_modesetting_disabled("tridentfb")) diff --git a/drivers/video/fbdev/uvesafb.c b/drivers/video/fbdev/uvesafb.c index 13bd8503a06b..98e074d3e61b 100644 --- a/drivers/video/fbdev/uvesafb.c +++ b/drivers/video/fbdev/uvesafb.c @@ -1886,7 +1886,7 @@ static int uvesafb_init(void) int err; #ifndef MODULE - char *option = NULL; + const char *option = NULL; if (fb_get_options("uvesafb", &option)) return -ENODEV; diff --git a/drivers/video/fbdev/valkyriefb.c b/drivers/video/fbdev/valkyriefb.c index 3c20f392370a..daf218632d53 100644 --- a/drivers/video/fbdev/valkyriefb.c +++ b/drivers/video/fbdev/valkyriefb.c @@ -304,7 +304,7 @@ static int __init valkyriefb_init(void) struct fb_info_valkyrie *p; unsigned long frame_buffer_phys, cmap_regs_phys; int err; - char *option = NULL; + const char *option = NULL; if (fb_get_options("valkyriefb", &option)) return -ENODEV; diff --git a/drivers/video/fbdev/vesafb.c b/drivers/video/fbdev/vesafb.c index 7299cebb6962..5d909d88a251 100644 --- a/drivers/video/fbdev/vesafb.c +++ b/drivers/video/fbdev/vesafb.c @@ -253,7 +253,7 @@ static int vesafb_probe(struct platform_device *dev) unsigned int size_vmode; unsigned int size_remap; unsigned int size_total; - char *option = NULL; + const char *option = NULL; /* ignore error return of fb_get_options */ fb_get_options("vesafb", &option); diff --git a/drivers/video/fbdev/vfb.c b/drivers/video/fbdev/vfb.c index 7694e5026155..b68c0dd747cf 100644 --- a/drivers/video/fbdev/vfb.c +++ b/drivers/video/fbdev/vfb.c @@ -513,7 +513,7 @@ static int __init vfb_init(void) int ret = 0; #ifndef MODULE - char *option = NULL; + const char *option = NULL; if (fb_get_options("vfb", &option)) return -ENODEV; diff --git a/drivers/video/fbdev/via/viafbdev.c b/drivers/video/fbdev/via/viafbdev.c index 749aee9f6c56..40a4739ff060 100644 --- a/drivers/video/fbdev/via/viafbdev.c +++ b/drivers/video/fbdev/via/viafbdev.c @@ -1923,7 +1923,7 @@ void via_fb_pci_remove(struct pci_dev *pdev) #ifndef MODULE static int __init viafb_setup(void) { - char *options; + const char *options; struct option_iter iter; char *this_opt; diff --git a/drivers/video/fbdev/vt8623fb.c b/drivers/video/fbdev/vt8623fb.c index 321b1813cf3c..9bd908dace15 100644 --- a/drivers/video/fbdev/vt8623fb.c +++ b/drivers/video/fbdev/vt8623fb.c @@ -919,9 +919,8 @@ static void __exit vt8623fb_cleanup(void) static int __init vt8623fb_init(void) { - #ifndef MODULE - char *option = NULL; + const char *option = NULL; #endif if (fb_modesetting_disabled("vt8623fb")) diff --git a/include/linux/fb.h b/include/linux/fb.h index d96529caa35e..0bebdd03f287 100644 --- a/include/linux/fb.h +++ b/include/linux/fb.h @@ -601,7 +601,7 @@ extern void fb_pad_aligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 s_pitch, u3 extern void fb_set_suspend(struct fb_info *info, int state); extern int fb_get_color_depth(struct fb_var_screeninfo *var, struct fb_fix_screeninfo *fix); -extern int fb_get_options(const char *name, char **option); +extern int fb_get_options(const char *name, const char **option); extern int fb_new_modelist(struct fb_info *info); extern bool fb_center_logo;

[v2,101/101] fbdev: Constify option strings

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