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wifi: wlcore: sysfs: constify 'struct bin_attribute'

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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 <linux@weissschuh.net>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://patch.msgid.link/20241216-sysfs-const-bin_attr-net-v1-3-ec460b91f274@weissschuh.net
This commit is contained in:
Thomas Weißschuh
2024-12-16 12:30:10 +01:00
committed by Kalle Valo
parent aeda9245c7
commit 8ab3bf4764
1 changed files with 2 additions and 2 deletions
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4
drivers/net/wireless/ti/wlcore/sysfs.c
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@@ -88,7 +88,7 @@ static ssize_t hw_pg_ver_show(struct device *dev,
static DEVICE_ATTR_RO(hw_pg_ver);
static ssize_t wl1271_sysfs_read_fwlog(struct file *filp, struct kobject *kobj,
struct bin_attribute *bin_attr,
const struct bin_attribute *bin_attr,
char *buffer, loff_t pos, size_t count)
{
struct device *dev = kobj_to_dev(kobj);
@@ -121,7 +121,7 @@ static ssize_t wl1271_sysfs_read_fwlog(struct file *filp, struct kobject *kobj,
static const struct bin_attribute fwlog_attr = {
.attr = { .name = "fwlog", .mode = 0400 },
.read = wl1271_sysfs_read_fwlog,
.read_new = wl1271_sysfs_read_fwlog,
};
int wlcore_sysfs_init(struct wl1271 *wl)