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authorGreg Kroah-Hartman <gregkh@suse.de>2007-09-13 05:53:13 -0400
committerGreg Kroah-Hartman <gregkh@suse.de>2007-10-12 17:51:09 -0400
commit5c3e8964ce87477a12e3e9edc3742156a3929a74 (patch)
treefa9f43c11b7eea40d8758a638b8452ae5a1e724f /fs/sysfs/dir.c
parentdc8c85871c9728c5fddca6854a191fd41eb9438c (diff)
sysfs: spit a warning to users when they try to create a duplicate sysfs file
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 <gregkh@suse.de>
Diffstat (limited to 'fs/sysfs/dir.c')
-rw-r--r--fs/sysfs/dir.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c
index da4bb66a610c..5d95aa8e23c6 100644
--- a/fs/sysfs/dir.c
+++ b/fs/sysfs/dir.c
@@ -428,8 +428,12 @@ void sysfs_addrm_start(struct sysfs_addrm_cxt *acxt,
428 */ 428 */
429int sysfs_add_one(struct sysfs_addrm_cxt *acxt, struct sysfs_dirent *sd) 429int sysfs_add_one(struct sysfs_addrm_cxt *acxt, struct sysfs_dirent *sd)
430{ 430{
431 if (sysfs_find_dirent(acxt->parent_sd, sd->s_name)) 431 if (sysfs_find_dirent(acxt->parent_sd, sd->s_name)) {
432 printk(KERN_WARNING "sysfs: duplicate filename '%s' "
433 "can not be created\n", sd->s_name);
434 WARN_ON(1);
432 return -EEXIST; 435 return -EEXIST;
436 }
433 437
434 sd->s_parent = sysfs_get(acxt->parent_sd); 438 sd->s_parent = sysfs_get(acxt->parent_sd);
435 439