public-mirrors/linux
1
0
Fork 0
mirror of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2025-04-13 09:59:31 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

sysfs: constify bin_attribute argument of sysfs_bin_attr_simple_read()

Browse source 
Most users use this function through the BIN_ATTR_SIMPLE* macros,
they can handle the switch transparently.
Also adapt the two non-macro users in the same change.

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Acked-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Reviewed-by: Mahesh Salgaonkar <mahesh@linux.ibm.com>
Tested-by: Aditya Gupta <adityag@linux.ibm.com>
Link: https://lore.kernel.org/r/20241228-sysfs-const-bin_attr-simple-v2-1-7c6f3f1767a3@weissschuh.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Thomas Weißschuh 2024-12-28 09:43:41 +01:00 • committed by Greg Kroah-Hartman
parent 92d6254f58
commit 3675a926fe
4 changed files with 5 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
arch/powerpc/platforms/powernv/opal.c
View file

@ -818,7 +818,7 @@ static int opal_add_one_export(struct kobject *parent, const char *export_name,
sysfs_bin_attr_init(attr); sysfs_bin_attr_init(attr);
attr->attr.name = name; attr->attr.name = name;
attr->attr.mode = 0400; attr->attr.mode = 0400;
attr->read = sysfs_bin_attr_simple_read; attr->read_new = sysfs_bin_attr_simple_read;
attr->private = __va(vals[0]); attr->private = __va(vals[0]);
attr->size = vals[1]; attr->size = vals[1];

2
fs/sysfs/file.c
View file

@ -817,7 +817,7 @@ EXPORT_SYMBOL_GPL(sysfs_emit_at);
* Returns number of bytes written to @buf. * Returns number of bytes written to @buf.
*/ */
ssize_t sysfs_bin_attr_simple_read(struct file *file, struct kobject *kobj, ssize_t sysfs_bin_attr_simple_read(struct file *file, struct kobject *kobj,
struct bin_attribute *attr, char *buf, const struct bin_attribute *attr, char *buf,
loff_t off, size_t count) loff_t off, size_t count)
{ {
memcpy(buf, attr->private + off, count); memcpy(buf, attr->private + off, count);

4
include/linux/sysfs.h
View file

@ -511,7 +511,7 @@ __printf(3, 4)
int sysfs_emit_at(char *buf, int at, const char *fmt, ...); int sysfs_emit_at(char *buf, int at, const char *fmt, ...);
ssize_t sysfs_bin_attr_simple_read(struct file *file, struct kobject *kobj, ssize_t sysfs_bin_attr_simple_read(struct file *file, struct kobject *kobj,
struct bin_attribute *attr, char *buf, const struct bin_attribute *attr, char *buf,
loff_t off, size_t count); loff_t off, size_t count);
#else /* CONFIG_SYSFS */ #else /* CONFIG_SYSFS */
@ -774,7 +774,7 @@ static inline int sysfs_emit_at(char *buf, int at, const char *fmt, ...)
static inline ssize_t sysfs_bin_attr_simple_read(struct file *file, static inline ssize_t sysfs_bin_attr_simple_read(struct file *file,
struct kobject *kobj, struct kobject *kobj,
struct bin_attribute *attr, const struct bin_attribute *attr,
char *buf, loff_t off, char *buf, loff_t off,
size_t count) size_t count)
{ {

2
kernel/module/sysfs.c
View file

@ -196,7 +196,7 @@ static int add_notes_attrs(struct module *mod, const struct load_info *info)
nattr->attr.mode = 0444; nattr->attr.mode = 0444;
nattr->size = info->sechdrs[i].sh_size; nattr->size = info->sechdrs[i].sh_size;
nattr->private = (void *)info->sechdrs[i].sh_addr; nattr->private = (void *)info->sechdrs[i].sh_addr;
nattr->read = sysfs_bin_attr_simple_read; nattr->read_new = sysfs_bin_attr_simple_read;
++nattr; ++nattr;
} }
++loaded; ++loaded;