Btrfs: fix uninitialized sync_pending

sync_pending is uninitialized before it be used, fix it.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 46f9a208723d..f2a4cc79da61 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -142,7 +142,7 @@ static noinline int run_scheduled_bios(struct btrfs_device *device)
         unsigned long limit;
         unsigned long last_waited = 0;
         int force_reg = 0;
-        int sync_pending;
+        int sync_pending = 0;
         struct blk_plug plug;
 
         /*