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/localalloc.c b/fs/ocfs2/localalloc.c
index b1c634d..1c4f064 100644
--- a/fs/ocfs2/localalloc.c
+++ b/fs/ocfs2/localalloc.c
@@ -294,8 +294,7 @@
 
 bail:
 	if (status < 0)
-		if (alloc_bh)
-			brelse(alloc_bh);
+		brelse(alloc_bh);
 	if (inode)
 		iput(inode);
 
@@ -411,8 +410,7 @@
 	ocfs2_commit_trans(osb, handle);
 
 out_unlock:
-	if (main_bm_bh)
-		brelse(main_bm_bh);
+	brelse(main_bm_bh);
 
 	ocfs2_inode_unlock(main_bm_inode, 1);
 
@@ -488,8 +486,7 @@
 		*alloc_copy = NULL;
 	}
 
-	if (alloc_bh)
-		brelse(alloc_bh);
+	brelse(alloc_bh);
 
 	if (inode) {
 		mutex_unlock(&inode->i_mutex);
@@ -557,8 +554,7 @@
 out_mutex:
 	mutex_unlock(&main_bm_inode->i_mutex);
 
-	if (main_bm_bh)
-		brelse(main_bm_bh);
+	brelse(main_bm_bh);
 
 	iput(main_bm_inode);
 
@@ -1281,8 +1277,7 @@
 	if (handle)
 		ocfs2_commit_trans(osb, handle);
 
-	if (main_bm_bh)
-		brelse(main_bm_bh);
+	brelse(main_bm_bh);
 
 	if (main_bm_inode)
 		iput(main_bm_inode);