diff options
| -rw-r--r-- | fs/sysfs/file.c | 10 |
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) | |||
| 449 | 449 | ||
| 450 | spin_lock_irqsave(&sysfs_open_dirent_lock, flags); | 450 | spin_lock_irqsave(&sysfs_open_dirent_lock, flags); |
| 451 | 451 | ||
| 452 | od = sd->s_attr.open; | 452 | if (!WARN_ON(sysfs_type(sd) != SYSFS_KOBJ_ATTR)) { |
| 453 | if (od) { | 453 | od = sd->s_attr.open; |
| 454 | atomic_inc(&od->event); | 454 | if (od) { |
| 455 | wake_up_interruptible(&od->poll); | 455 | atomic_inc(&od->event); |
| 456 | wake_up_interruptible(&od->poll); | ||
| 457 | } | ||
| 456 | } | 458 | } |
| 457 | 459 | ||
| 458 | spin_unlock_irqrestore(&sysfs_open_dirent_lock, flags); | 460 | spin_unlock_irqrestore(&sysfs_open_dirent_lock, flags); |