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-rw-r--r--fs/sysfs/file.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/fs/sysfs/file.c b/fs/sysfs/file.c
index 602f56db0442..d2bb7ed8fa74 100644
--- a/fs/sysfs/file.c
+++ b/fs/sysfs/file.c
@@ -449,10 +449,12 @@ void sysfs_notify_dirent(struct sysfs_dirent *sd)
spin_lock_irqsave(&sysfs_open_dirent_lock, flags);
- od = sd->s_attr.open;
- if (od) {
- atomic_inc(&od->event);
- wake_up_interruptible(&od->poll);
+ if (!WARN_ON(sysfs_type(sd) != SYSFS_KOBJ_ATTR)) {
+ od = sd->s_attr.open;
+ if (od) {
+ atomic_inc(&od->event);
+ wake_up_interruptible(&od->poll);
+ }
}
spin_unlock_irqrestore(&sysfs_open_dirent_lock, flags);