[PATCH] ext4/mballoc: Remove unneeded variable "err"

[zhong jiang]

The err is not used after initalization. So just remove the variable.

Signed-off-by: zhong jiang <zhongji...@huawei.com>
---
 fs/ext4/mballoc.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 8b24d3d..e29fce2 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -3801,7 +3801,6 @@ static int ext4_mb_new_preallocation(struct 
ext4_allocation_context *ac)
        ext4_group_t group;
        ext4_grpblk_t bit;
        unsigned long long grp_blk_start;
-       int err = 0;
        int free = 0;
 
        BUG_ON(pa->pa_deleted == 0);
@@ -3842,7 +3841,7 @@ static int ext4_mb_new_preallocation(struct 
ext4_allocation_context *ac)
        }
        atomic_add(free, &sbi->s_mb_discarded);
 
-       return err;
+       return 0;
 }
 
 static noinline_for_stack int
-- 
1.7.12.4