ext4: remove unneeded variable "err" in ext4_mb_release_inode_pa()

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

Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>

diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 8b24d3d..e29fce2 100644 (file)
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -3801,7 +3801,6 @@ ext4_mb_release_inode_pa(struct ext4_buddy *e4b, struct buffer_head *bitmap_bh,
        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 @@ ext4_mb_release_inode_pa(struct ext4_buddy *e4b, struct buffer_head *bitmap_bh,
        }
        atomic_add(free, &sbi->s_mb_discarded);
 
-       return err;
+       return 0;
 }
 
 static noinline_for_stack int