ocfs2: remove useless err

We don't need 'err' in these 2 places, better to remove them.
Signed-off-by: Alex Shi <alex.shi@linux.alibaba.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Kate Stewart <kstewart@linuxfoundation.org>
Cc: ChenGang <cg.chen@huawei.com>
Cc: Richard Fontana <rfontana@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1579577836-251879-1-git-send-email-alex.shi@linux.alibaba.comSigned-off-by: Linus Torvalds <torvalds@linux-foundation.org>

fs/ocfs2/cluster/tcp.c

@@ -1948,7 +1948,6 @@ static void o2net_accept_many(struct work_struct *work)
 {
 	struct socket *sock = o2net_listen_sock;
 	int	more;
-	int	err;
 
 	/*
 	 * It is critical to note that due to interrupt moderation
@@ -1963,7 +1962,7 @@ static void o2net_accept_many(struct work_struct *work)
 	 */
 
 	for (;;) {
-		err = o2net_accept_one(sock, &more);
+		o2net_accept_one(sock, &more);
 		if (!more)
 			break;
 		cond_resched();

fs/ocfs2/dir.c

@@ -676,7 +676,7 @@ static struct buffer_head *ocfs2_find_entry_el(const char *name, int namelen,
 	int ra_ptr = 0;		/* Current index into readahead
 				   buffer */
 	int num = 0;
-	int nblocks, i, err;
+	int nblocks, i;
 
 	sb = dir->i_sb;
 
@@ -708,7 +708,7 @@ static struct buffer_head *ocfs2_find_entry_el(const char *name, int namelen,
 				num++;
 
 				bh = NULL;
-				err = ocfs2_read_dir_block(dir, b++, &bh,
+				ocfs2_read_dir_block(dir, b++, &bh,
 							   OCFS2_BH_READAHEAD);
 				bh_use[ra_max] = bh;
 			}