linux-kernel - [PATCH 07/68] 0 -> NULL, for arch/ia64

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Message-Id: <200707270944.LAA17193@ifs.emn.fr>
Date:	Fri, 27 Jul 2007 11:44:42 +0200 (MEST)
From:	Yoann Padioleau <padator@...adoo.fr>
To:	kernel-janitors@...r.kernel.org
Cc:	tony.luck@...el.com, linux-ia64@...r.kernel.org,
	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org
Subject: [PATCH 07/68] 0 -> NULL, for arch/ia64


When comparing a pointer, it's clearer to compare it to NULL than to 0.

Here is an excerpt of the semantic patch: 

@@
expression *E;
@@

  E ==
- 0
+ NULL

@@
expression *E;
@@

  E !=
- 0
+ NULL

Signed-off-by: Yoann Padioleau <padator@...adoo.fr>
Cc: tony.luck@...el.com
Cc: linux-ia64@...r.kernel.org
Cc: akpm@...ux-foundation.org
---

 simscsi.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/ia64/hp/sim/simscsi.c b/arch/ia64/hp/sim/simscsi.c
index bb87682..64248b5 100644
--- a/arch/ia64/hp/sim/simscsi.c
+++ b/arch/ia64/hp/sim/simscsi.c
@@ -101,7 +101,7 @@ simscsi_interrupt (unsigned long val)
 {
 	struct scsi_cmnd *sc;
 
-	while ((sc = queue[rd].sc) != 0) {
+	while ((sc = queue[rd].sc) != NULL) {
 		atomic_dec(&num_reqs);
 		queue[rd].sc = NULL;
 		if (DBG)

-
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