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authorThomas Weißschuh <linux@weissschuh.net>2024-11-03 17:03:36 +0000
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-11-05 14:00:28 +0100
commit699e7b85afb5d94b99b0a3edca7e9e93ea320c8f (patch)
tree894ec5b0c5b3ad03ab079980f2519cf603315e88
parent94a20fb9af16417ab5fd17bcde3d906926f15ef6 (diff)
sysfs: treewide: constify attribute callback of bin_attribute::llseek()
The llseek() callbacks should not modify the struct bin_attribute passed as argument. Enforce this by marking the argument as const. As there are not many callback implementers perform this change throughout the tree at once. Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> Acked-by: Krzysztof Wilczyński <kw@linux.com> Link: https://lore.kernel.org/r/20241103-sysfs-const-bin_attr-v2-7-71110628844c@weissschuh.net Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/pci/pci-sysfs.c2
-rw-r--r--include/linux/sysfs.h2
2 files changed, 2 insertions, 2 deletions
diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
index 0ad3427228b1..49bee70f7d37 100644
--- a/drivers/pci/pci-sysfs.c
+++ b/drivers/pci/pci-sysfs.c
@@ -841,7 +841,7 @@ static const struct attribute_group pci_dev_config_attr_group = {
static __maybe_unused loff_t
pci_llseek_resource(struct file *filep,
struct kobject *kobj __always_unused,
- struct bin_attribute *attr,
+ const struct bin_attribute *attr,
loff_t offset, int whence)
{
return fixed_size_llseek(filep, offset, whence, attr->size);
diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
index 9fcdc8cd3118..cb2a5e277c23 100644
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -307,7 +307,7 @@ struct bin_attribute {
char *, loff_t, size_t);
ssize_t (*write)(struct file *, struct kobject *, struct bin_attribute *,
char *, loff_t, size_t);
- loff_t (*llseek)(struct file *, struct kobject *, struct bin_attribute *,
+ loff_t (*llseek)(struct file *, struct kobject *, const struct bin_attribute *,
loff_t, int);
int (*mmap)(struct file *, struct kobject *, const struct bin_attribute *attr,
struct vm_area_struct *vma);