linux-kernel - [PATCH] kfifo: use BUG

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Message-ID: <20140708222437.GA11916@himangi-Dell>
Date:	Wed, 9 Jul 2014 03:54:37 +0530
From:	Himangi Saraogi <himangi774@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	julia.lawall@...6.fr
Subject: [PATCH] kfifo: use BUG_ON

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

The semantic patch that fixes this problem is as follows:

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

Signed-off-by: Himangi Saraogi <himangi774@...il.com>
Acked-by: Julia Lawall <julia.lawall@...6.fr>
---
To send to: linux-kernel@...r.kernel.org
 lib/kfifo.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/lib/kfifo.c b/lib/kfifo.c
index d79b9d2..90ba1eb 100644
--- a/lib/kfifo.c
+++ b/lib/kfifo.c
@@ -561,8 +561,7 @@ EXPORT_SYMBOL(__kfifo_to_user_r);
 unsigned int __kfifo_dma_in_prepare_r(struct __kfifo *fifo,
 	struct scatterlist *sgl, int nents, unsigned int len, size_t recsize)
 {
-	if (!nents)
-		BUG();
+	BUG_ON(!nents);
 
 	len = __kfifo_max_r(len, recsize);
 
@@ -585,8 +584,7 @@ EXPORT_SYMBOL(__kfifo_dma_in_finish_r);
 unsigned int __kfifo_dma_out_prepare_r(struct __kfifo *fifo,
 	struct scatterlist *sgl, int nents, unsigned int len, size_t recsize)
 {
-	if (!nents)
-		BUG();
+	BUG_ON(!nents);
 
 	len = __kfifo_max_r(len, recsize);
 
-- 
1.9.1

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