The err is not used after initalization. So just remove the variable. Signed-off-by: zhong jiang <zhongjiang@xxxxxxxxxx> --- 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