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

[Yoann Padioleau <padator@wanadoo.fr>]

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@wanadoo.fr>
Cc: tony.luck@intel.com
Cc: linux-ia64@vger.kernel.org
Cc: akpm@linux-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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