linux-kernel - [PATCH 8/11] fs/btrfs/volumes.c: trivial: use BUG

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Date:	Tue,  2 Aug 2011 12:35:01 +0200
From:	Julia Lawall <julia@...u.dk>
To:	Chris Mason <chris.mason@...cle.com>, trivial@...nel.org
Cc:	kernel-janitors@...r.kernel.org, linux-btrfs@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 8/11] fs/btrfs/volumes.c: trivial: use BUG_ON

From: Julia Lawall <julia@...u.dk>

Use BUG_ON(x) rather than if(x) BUG();

The semantic patch that fixes this problem is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@ identifier x; @@
-if (x) BUG();
+BUG_ON(x);

@@ identifier x; @@
-if (!x) BUG();
+BUG_ON(!x);
// </smpl>

Signed-off-by: Julia Lawall <julia@...u.dk>

---
 fs/btrfs/volumes.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 19450bc..275be0f 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -1983,8 +1983,8 @@ again:
 						   found_key.offset);
 			if (ret == -ENOSPC)
 				failed++;
-			else if (ret)
-				BUG();
+			else
+				BUG_ON(ret);
 		}
 
 		if (found_key.offset == 0)

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