diff options
| -rw-r--r-- | drivers/block/drbd/drbd_interval.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/block/drbd/drbd_interval.c b/drivers/block/drbd/drbd_interval.c index 5024ffd6143d..b6aaf0d4d85b 100644 --- a/drivers/block/drbd/drbd_interval.c +++ b/drivers/block/drbd/drbd_interval.c @@ -95,6 +95,10 @@ drbd_contains_interval(struct rb_root *root, sector_t sector, void drbd_remove_interval(struct rb_root *root, struct drbd_interval *this) { + /* avoid endless loop */ + if (drbd_interval_empty(this)) + return; + rb_erase_augmented(&this->rb, root, &augment_callbacks); } |