ocfs2: remove set but not used variable 'last_hash'

Fixes gcc '-Wunused-but-set-variable' warning:

  fs/ocfs2/xattr.c: In function ocfs2_xattr_bucket_find:
  fs/ocfs2/xattr.c:3828:6: warning: variable last_hash set but not used [-Wunused-but-set-variable]

It's never used and can be removed.

Link: http://lkml.kernel.org/r/20190716132110.34836-1-yuehaibing@huawei.com
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Acked-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Changwei Ge <gechangwei@live.cn>
Cc: Gang He <ghe@suse.com>
Cc: Jun Piao <piaojun@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c
index 385f3aaa244809b0d442d746fb4e76bd391d7bb2..90c830e3758e2dea9af508efed08b48a8509553f 100644 (file)
--- a/fs/ocfs2/xattr.c
+++ b/fs/ocfs2/xattr.c
@@ -3825,7 +3825,6 @@ static int ocfs2_xattr_bucket_find(struct inode *inode,
        u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb);
        int low_bucket = 0, bucket, high_bucket;
        struct ocfs2_xattr_bucket *search;
-       u32 last_hash;
        u64 blkno, lower_blkno = 0;
 
        search = ocfs2_xattr_bucket_new(inode);
@@ -3869,8 +3868,6 @@ static int ocfs2_xattr_bucket_find(struct inode *inode,
                if (xh->xh_count)
                        xe = &xh->xh_entries[le16_to_cpu(xh->xh_count) - 1];
 
-               last_hash = le32_to_cpu(xe->xe_name_hash);
-
                /* record lower_blkno which may be the insert place. */
                lower_blkno = blkno;