From patchwork Mon Dec 2 19:01:38 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= X-Patchwork-Id: 846776 Received: from todd.t-8ch.de (todd.t-8ch.de [159.69.126.157]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 951A91DE8A6; Mon, 2 Dec 2024 19:01:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=159.69.126.157 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733166104; cv=none; b=lbpeJisQAldswO8+JFuubBB272lVLw8GojWLEoTU9ovVx6yBVtRLNGjxgF0k+BWDqSJnq/1UfnZw+bcJqXuG0DvUqjmlo8WyAI6SZO1GrM1/2ZHMvipYYMOMPLuEMnROqLoO47xLlUijjO8knFTfPoGD3UnmHW3TTyZNpNdTzf8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733166104; c=relaxed/simple; bh=ao2FQsq1iWoOI4oXrdcQV0r2JcT1H6IjGL/bQumcQ6k=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=lRZCqfphaYMSHeeU+wzHFWeUERs6rmJfaVKlqdAk6u/rGtNSxC1KZMBd0R6mo4Bi+DtvjXXk92JR+mbCGPh5LZkkeRNPFMZCJK9UyzEFBKgLXHHb0r46zmhhDJT43RCT6Xr7Yl157iRb3q7bMBR581YUaafLa1VlahpIhWFguKM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=weissschuh.net; spf=pass smtp.mailfrom=weissschuh.net; dkim=pass (1024-bit key) header.d=weissschuh.net header.i=@weissschuh.net header.b=X17bpwEj; arc=none smtp.client-ip=159.69.126.157 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=weissschuh.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=weissschuh.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=weissschuh.net header.i=@weissschuh.net header.b="X17bpwEj" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=weissschuh.net; s=mail; t=1733166098; bh=ao2FQsq1iWoOI4oXrdcQV0r2JcT1H6IjGL/bQumcQ6k=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=X17bpwEjDacxvLIsfsp7u7qrYJAzIeGGXKpEJQQ+qK0sK5P8nCCM7cReLMvjC2n5J bpzJVAlp0PLyeiuWTmtAETnoM8UljJxDAMsYyzAQjeFKV6ovwEdNUc9A/KHLIvKYpQ G9mTQKipLFBC7pvT6HbiJYo9tkzBCUbtm8IxvVrE= From: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= Date: Mon, 02 Dec 2024 20:01:38 +0100 Subject: [PATCH 07/10] HID: roccat: koneplus: constify 'struct bin_attribute' Precedence: bulk X-Mailing-List: linux-input@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20241202-sysfs-const-bin_attr-hid-v1-7-16369423a48a@weissschuh.net> References: <20241202-sysfs-const-bin_attr-hid-v1-0-16369423a48a@weissschuh.net> In-Reply-To: <20241202-sysfs-const-bin_attr-hid-v1-0-16369423a48a@weissschuh.net> To: Jiri Kosina , Benjamin Tissoires , Stefan Achatz Cc: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, =?utf-8?q?Tho?= =?utf-8?q?mas_Wei=C3=9Fschuh?= X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1733166097; l=5842; i=linux@weissschuh.net; s=20221212; h=from:subject:message-id; bh=ao2FQsq1iWoOI4oXrdcQV0r2JcT1H6IjGL/bQumcQ6k=; b=e+TQWywiXOxMK+tP3z8cW1MDOdww4sEhzU0a04YU9bYe0eJQNB7t4/TKSmnssaOIuZy7mVhTA cT/NE1D3ccDDnyON5ofUnZgef4UOxLKadNqSdEBaPhIwm6aZLDJ8oNr X-Developer-Key: i=linux@weissschuh.net; a=ed25519; pk=KcycQgFPX2wGR5azS7RhpBqedglOZVgRPfdFSPB1LNw= The sysfs core now allows instances of 'struct bin_attribute' to be moved into read-only memory. Make use of that to protect them against accidental or malicious modifications. Signed-off-by: Thomas Weißschuh --- drivers/hid/hid-roccat-koneplus.c | 42 +++++++++++++++++++-------------------- 1 file changed, 21 insertions(+), 21 deletions(-) diff --git a/drivers/hid/hid-roccat-koneplus.c b/drivers/hid/hid-roccat-koneplus.c index 8ccb3b14a1a9e08fc08c71f7c13324afce1f1008..5d8a5ce88b4cae003cf0e0cbf6dc818ac71e0625 100644 --- a/drivers/hid/hid-roccat-koneplus.c +++ b/drivers/hid/hid-roccat-koneplus.c @@ -128,8 +128,8 @@ static ssize_t koneplus_sysfs_write(struct file *fp, struct kobject *kobj, #define KONEPLUS_SYSFS_W(thingy, THINGY) \ static ssize_t koneplus_sysfs_write_ ## thingy(struct file *fp, \ - struct kobject *kobj, struct bin_attribute *attr, char *buf, \ - loff_t off, size_t count) \ + struct kobject *kobj, const struct bin_attribute *attr, \ + char *buf, loff_t off, size_t count) \ { \ return koneplus_sysfs_write(fp, kobj, buf, off, count, \ KONEPLUS_SIZE_ ## THINGY, KONEPLUS_COMMAND_ ## THINGY); \ @@ -137,8 +137,8 @@ static ssize_t koneplus_sysfs_write_ ## thingy(struct file *fp, \ #define KONEPLUS_SYSFS_R(thingy, THINGY) \ static ssize_t koneplus_sysfs_read_ ## thingy(struct file *fp, \ - struct kobject *kobj, struct bin_attribute *attr, char *buf, \ - loff_t off, size_t count) \ + struct kobject *kobj, const struct bin_attribute *attr, \ + char *buf, loff_t off, size_t count) \ { \ return koneplus_sysfs_read(fp, kobj, buf, off, count, \ KONEPLUS_SIZE_ ## THINGY, KONEPLUS_COMMAND_ ## THINGY); \ @@ -150,27 +150,27 @@ KONEPLUS_SYSFS_R(thingy, THINGY) #define KONEPLUS_BIN_ATTRIBUTE_RW(thingy, THINGY) \ KONEPLUS_SYSFS_RW(thingy, THINGY); \ -static struct bin_attribute bin_attr_##thingy = { \ +static const struct bin_attribute bin_attr_##thingy = { \ .attr = { .name = #thingy, .mode = 0660 }, \ .size = KONEPLUS_SIZE_ ## THINGY, \ - .read = koneplus_sysfs_read_ ## thingy, \ - .write = koneplus_sysfs_write_ ## thingy \ + .read_new = koneplus_sysfs_read_ ## thingy, \ + .write_new = koneplus_sysfs_write_ ## thingy \ } #define KONEPLUS_BIN_ATTRIBUTE_R(thingy, THINGY) \ KONEPLUS_SYSFS_R(thingy, THINGY); \ -static struct bin_attribute bin_attr_##thingy = { \ +static const struct bin_attribute bin_attr_##thingy = { \ .attr = { .name = #thingy, .mode = 0440 }, \ .size = KONEPLUS_SIZE_ ## THINGY, \ - .read = koneplus_sysfs_read_ ## thingy, \ + .read_new = koneplus_sysfs_read_ ## thingy, \ } #define KONEPLUS_BIN_ATTRIBUTE_W(thingy, THINGY) \ KONEPLUS_SYSFS_W(thingy, THINGY); \ -static struct bin_attribute bin_attr_##thingy = { \ +static const struct bin_attribute bin_attr_##thingy = { \ .attr = { .name = #thingy, .mode = 0220 }, \ .size = KONEPLUS_SIZE_ ## THINGY, \ - .write = koneplus_sysfs_write_ ## thingy \ + .write_new = koneplus_sysfs_write_ ## thingy \ } KONEPLUS_BIN_ATTRIBUTE_W(control, CONTROL); KONEPLUS_BIN_ATTRIBUTE_W(talk, TALK); @@ -183,8 +183,8 @@ KONEPLUS_BIN_ATTRIBUTE_RW(profile_settings, PROFILE_SETTINGS); KONEPLUS_BIN_ATTRIBUTE_RW(profile_buttons, PROFILE_BUTTONS); static ssize_t koneplus_sysfs_read_profilex_settings(struct file *fp, - struct kobject *kobj, struct bin_attribute *attr, char *buf, - loff_t off, size_t count) + struct kobject *kobj, const struct bin_attribute *attr, + char *buf, loff_t off, size_t count) { struct device *dev = kobj_to_dev(kobj)->parent->parent; struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); @@ -201,8 +201,8 @@ static ssize_t koneplus_sysfs_read_profilex_settings(struct file *fp, } static ssize_t koneplus_sysfs_read_profilex_buttons(struct file *fp, - struct kobject *kobj, struct bin_attribute *attr, char *buf, - loff_t off, size_t count) + struct kobject *kobj, const struct bin_attribute *attr, + char *buf, loff_t off, size_t count) { struct device *dev = kobj_to_dev(kobj)->parent->parent; struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); @@ -219,16 +219,16 @@ static ssize_t koneplus_sysfs_read_profilex_buttons(struct file *fp, } #define PROFILE_ATTR(number) \ -static struct bin_attribute bin_attr_profile##number##_settings = { \ +static const struct bin_attribute bin_attr_profile##number##_settings = { \ .attr = { .name = "profile" #number "_settings", .mode = 0440 }, \ .size = KONEPLUS_SIZE_PROFILE_SETTINGS, \ - .read = koneplus_sysfs_read_profilex_settings, \ + .read_new = koneplus_sysfs_read_profilex_settings, \ .private = &profile_numbers[number-1], \ }; \ -static struct bin_attribute bin_attr_profile##number##_buttons = { \ +static const struct bin_attribute bin_attr_profile##number##_buttons = { \ .attr = { .name = "profile" #number "_buttons", .mode = 0440 }, \ .size = KONEPLUS_SIZE_PROFILE_BUTTONS, \ - .read = koneplus_sysfs_read_profilex_buttons, \ + .read_new = koneplus_sysfs_read_profilex_buttons, \ .private = &profile_numbers[number-1], \ }; PROFILE_ATTR(1); @@ -321,7 +321,7 @@ static struct attribute *koneplus_attrs[] = { NULL, }; -static struct bin_attribute *koneplus_bin_attributes[] = { +static const struct bin_attribute *const koneplus_bin_attributes[] = { &bin_attr_control, &bin_attr_talk, &bin_attr_macro, @@ -346,7 +346,7 @@ static struct bin_attribute *koneplus_bin_attributes[] = { static const struct attribute_group koneplus_group = { .attrs = koneplus_attrs, - .bin_attrs = koneplus_bin_attributes, + .bin_attrs_new = koneplus_bin_attributes, }; static const struct attribute_group *koneplus_groups[] = {