We want to let people know when we create a duplicate sysfs file, as
they need to fix up their code.
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
fs/sysfs/dir.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
--- a/fs/sysfs/dir.c
+++ b/fs/sysfs/dir.c
@@ -428,8 +428,12 @@ void sysfs_addrm_start(struct sysfs_addr
*/
int sysfs_add_one(struct sysfs_addrm_cxt *acxt, struct sysfs_dirent *sd)
{
- if (sysfs_find_dirent(acxt->parent_sd, sd->s_name))
+ if (sysfs_find_dirent(acxt->parent_sd, sd->s_name)) {
+ printk(KERN_WARNING, "sysfs: duplicate filename '%s' "
+ "can not be created\n", sd->s_name);
+ WARN_ON(1);
return -EEXIST;
+ }
sd->s_parent = sysfs_get(acxt->parent_sd);
-
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