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scsi: ibmvfc: 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/20241216-sysfs-const-bin_attr-scsi-v1-5-f0a5e54b3437@weissschuh.net
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Thomas Weißschuh
2024-12-16 12:29:12 +01:00
committed by Martin K. Petersen
parent 61e2d41caf
commit af58c75983
1 changed files with 3 additions and 3 deletions
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6
drivers/scsi/ibmvscsi/ibmvfc.c
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@@ -3639,7 +3639,7 @@ static DEVICE_ATTR(nr_scsi_channels, S_IRUGO | S_IWUSR,
* number of bytes printed to buffer
**/
static ssize_t ibmvfc_read_trace(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 device *dev = kobj_to_dev(kobj);
@@ -3662,13 +3662,13 @@ static ssize_t ibmvfc_read_trace(struct file *filp, struct kobject *kobj,
return count;
}
static struct bin_attribute ibmvfc_trace_attr = {
static const struct bin_attribute ibmvfc_trace_attr = {
.attr = {
.name = "trace",
.mode = S_IRUGO,
},
.size = 0,
.read = ibmvfc_read_trace,
.read_new = ibmvfc_read_trace,
};
#endif