| Message ID | 20230714075155.5686-19-tzimmermann@suse.de |
|---|---|
| State | Superseded |
| Headers | show |
| Series | fbdev: Remove FBINFO_DEFAULT and FBINFO_FLAG_DEFAULT flags | expand |
On 2023/7/14 15:49, Thomas Zimmermann wrote: > Most fbdev drivers depend on framebuffer_alloc() to initialize the > allocated memory to 0. Document this guarantee. > > v3: > * slightly reword the sentence (Miguel) > > Suggested-by: Miguel Ojeda <ojeda@kernel.org> > Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> > Reviewed-by: Miguel Ojeda <ojeda@kernel.org> Reviewed-by: Sui Jingfeng <suijingfeng@loongson.cn> > Cc: Helge Deller <deller@gmx.de> > --- > drivers/video/fbdev/core/fb_info.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/drivers/video/fbdev/core/fb_info.c b/drivers/video/fbdev/core/fb_info.c > index 8bdbefdd4b70..4847ebe50d7d 100644 > --- a/drivers/video/fbdev/core/fb_info.c > +++ b/drivers/video/fbdev/core/fb_info.c > @@ -13,7 +13,8 @@ > * > * Creates a new frame buffer info structure. Also reserves @size bytes > * for driver private data (info->par). info->par (if any) will be > - * aligned to sizeof(long). > + * aligned to sizeof(long). The new instances of struct fb_info and > + * the driver private data are both cleared to zero. > * > * Returns the new structure, or NULL if an error occurred. > *
diff --git a/drivers/video/fbdev/core/fb_info.c b/drivers/video/fbdev/core/fb_info.c index 8bdbefdd4b70..4847ebe50d7d 100644 --- a/drivers/video/fbdev/core/fb_info.c +++ b/drivers/video/fbdev/core/fb_info.c @@ -13,7 +13,8 @@ * * Creates a new frame buffer info structure. Also reserves @size bytes * for driver private data (info->par). info->par (if any) will be - * aligned to sizeof(long). + * aligned to sizeof(long). The new instances of struct fb_info and + * the driver private data are both cleared to zero. * * Returns the new structure, or NULL if an error occurred. *