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authorIngo Molnar <mingo@kernel.org>2012-05-14 14:43:40 +0200
committerIngo Molnar <mingo@kernel.org>2012-05-14 14:43:40 +0200
commit9cba26e66d09bf394ae5a739627a1dc8b7cae6f4 (patch)
treef03743d576a0c7826b9921ad47e70370ebe80a22 /fs/sysfs/group.c
parentec83db0f78cd44c3b586ec1c3a348d1a8a389797 (diff)
parent73eff9f56e15598c8399c0b86899fd889b97f085 (diff)
Merge branch 'perf/uprobes' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/uprobes
Diffstat (limited to 'fs/sysfs/group.c')
-rw-r--r--fs/sysfs/group.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/fs/sysfs/group.c b/fs/sysfs/group.c
index dd1701caecc..2df555c66d5 100644
--- a/fs/sysfs/group.c
+++ b/fs/sysfs/group.c
@@ -67,7 +67,11 @@ static int internal_create_group(struct kobject *kobj, int update,
/* Updates may happen before the object has been instantiated */
if (unlikely(update && !kobj->sd))
return -EINVAL;
-
+ if (!grp->attrs) {
+ WARN(1, "sysfs: attrs not set by subsystem for group: %s/%s\n",
+ kobj->name, grp->name ? "" : grp->name);
+ return -EINVAL;
+ }
if (grp->name) {
error = sysfs_create_subdir(kobj, grp->name, &sd);
if (error)