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| author | Vivek BalachandharTN <vivek.balachandhar@gmail.com> | 2025-10-15 07:45:02 +0000 |
|---|---|---|
| committer | Mikulas Patocka <mpatocka@redhat.com> | 2025-10-20 15:22:21 +0200 |
| commit | 4929ba5c5bd75dc28971f0909902e4624e92ad59 (patch) | |
| tree | 3358c86f647ee77aec800518b116266cf3784592 | |
| parent | 27cecacbe88f22aa2e0454cc516d64a55e9002d4 (diff) | |
dm: sysfs: use sysfs_emit() in dm-sysfs.c
Replace sprintf()+strlen() with sysfs_emit(), the preferred helper for
sysfs show() routines. sysfs_emit() returns the number of bytes written,
guarantees NUL-termination, and clamps to PAGE_SIZE-1.
Reference: Documentation/filesystems/sysfs.rst.
No functional change intended.
Signed-off-by: Vivek BalachandharTN <vivek.balachandhar@gmail.com>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
| -rw-r--r-- | drivers/md/dm-sysfs.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/drivers/md/dm-sysfs.c b/drivers/md/dm-sysfs.c index bfaef27ca79f..22bc70923a83 100644 --- a/drivers/md/dm-sysfs.c +++ b/drivers/md/dm-sysfs.c @@ -86,17 +86,13 @@ static ssize_t dm_attr_uuid_show(struct mapped_device *md, char *buf) static ssize_t dm_attr_suspended_show(struct mapped_device *md, char *buf) { - sprintf(buf, "%d\n", dm_suspended_md(md)); - - return strlen(buf); + return sysfs_emit(buf, "%d\n", dm_suspended_md(md)); } static ssize_t dm_attr_use_blk_mq_show(struct mapped_device *md, char *buf) { /* Purely for userspace compatibility */ - sprintf(buf, "%d\n", true); - - return strlen(buf); + return sysfs_emit(buf, "%d\n", true); } static DM_ATTR_RO(name); |