ocfs2: Don't check for NULL before brelse()

This is pointless as brelse() already does the check.

Signed-off-by: Mark Fasheh
diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c
index de17905..98e16fb 100644
--- a/fs/ocfs2/aops.c
+++ b/fs/ocfs2/aops.c
@@ -128,8 +128,7 @@
 	err = 0;
 
 bail:
-	if (bh)
-		brelse(bh);
+	brelse(bh);
 
 	mlog_exit(err);
 	return err;