ocfs2: use BUG_ON instead of if condition followed by BUG.

This issue was detected with the help of Coccinelle.

Link: https://lkml.kernel.org/r/20211105014424.75372-1-zhang.mingyu@zte.com.cnSigned-off-by: Zhang Mingyu <zhang.mingyu@zte.com.cn>
Reported-by: Zeal Robot <zealci@zte.com.cn>
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>

fs/ocfs2/journal.c

@@ -1669,8 +1669,7 @@ static int ocfs2_replay_journal(struct ocfs2_super *osb,
 	status = jbd2_journal_load(journal);
 	if (status < 0) {
 		mlog_errno(status);
-		if (!igrab(inode))
-			BUG();
+		BUG_ON(!igrab(inode));
 		jbd2_journal_destroy(journal);
 		goto done;
 	}
@@ -1699,8 +1698,7 @@ static int ocfs2_replay_journal(struct ocfs2_super *osb,
 	if (status < 0)
 		mlog_errno(status);
 
-	if (!igrab(inode))
-		BUG();
+	BUG_ON(!igrab(inode));
 
 	jbd2_journal_destroy(journal);