linux-kernel - [PATCH 05/68] 0 -> NULL, for arch/cris

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Date:	Fri, 27 Jul 2007 11:44:25 +0200 (MEST)
From:	Yoann Padioleau <padator@...adoo.fr>
To:	kernel-janitors@...r.kernel.org
Cc:	starvik@...s.com, dev-etrax@...s.com, akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 05/68] 0 -> NULL, for arch/cris


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: starvik@...s.com
Cc: dev-etrax@...s.com
Cc: akpm@...ux-foundation.org
---

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

diff --git a/arch/cris/mm/fault.c b/arch/cris/mm/fault.c
index 8672ab7..d5b1e3d 100644
--- a/arch/cris/mm/fault.c
+++ b/arch/cris/mm/fault.c
@@ -448,7 +448,7 @@ find_fixup_code(struct pt_regs *regs)
 {
 	const struct exception_table_entry *fixup;
 
-	if ((fixup = search_exception_tables(instruction_pointer(regs))) != 0) {
+	if ((fixup = search_exception_tables(instruction_pointer(regs))) != NULL) {
 		/* Adjust the instruction pointer in the stackframe. */
 		instruction_pointer(regs) = fixup->fixup;
 		arch_fixup(regs);

-
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