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pcmcia: cistpl: 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>
Link: https://lore.kernel.org/r/20241215-sysfs-const-bin_attr-pcmcia-v1-1-ebb82e47d834@weissschuh.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Thomas Weißschuh 2024-12-15 14:18:59 +01:00 committed by Greg Kroah-Hartman
parent ae7a15fb29
commit 05a9896fa9
1 changed files with 4 additions and 4 deletions
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8
drivers/pcmcia/cistpl.c
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@ -1540,7 +1540,7 @@ static ssize_t pccard_extract_cis(struct pcmcia_socket *s, char *buf,
static ssize_t pccard_show_cis(struct file *filp, struct kobject *kobj,
struct bin_attribute *bin_attr,
const struct bin_attribute *bin_attr,
char *buf, loff_t off, size_t count)
{
unsigned int size = 0x200;
@ -1571,7 +1571,7 @@ static ssize_t pccard_show_cis(struct file *filp, struct kobject *kobj,
static ssize_t pccard_store_cis(struct file *filp, struct kobject *kobj,
struct bin_attribute *bin_attr,
const struct bin_attribute *bin_attr,
char *buf, loff_t off, size_t count)
{
struct pcmcia_socket *s;
@ -1605,6 +1605,6 @@ static ssize_t pccard_store_cis(struct file *filp, struct kobject *kobj,
const struct bin_attribute pccard_cis_attr = {
.attr = { .name = "cis", .mode = S_IRUGO | S_IWUSR },
.size = 0x200,
.read = pccard_show_cis,
.write = pccard_store_cis,
.read_new = pccard_show_cis,
.write_new = pccard_store_cis,
};