linux-kernel - [PATCH 08/68] 0 -> NULL, for arch/m68k

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Date:	Fri, 27 Jul 2007 11:44:48 +0200 (MEST)
From:	Yoann Padioleau <padator@...adoo.fr>
To:	kernel-janitors@...r.kernel.org
Cc:	geert@...ux-m68k.org, zippel@...ux-m68k.org,
	linux-m68k@...r.kernel.org, akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 08/68] 0 -> NULL, for arch/m68k


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: geert@...ux-m68k.org
Cc: zippel@...ux-m68k.org
Cc: linux-m68k@...ts.linux-m68k.org
Cc: akpm@...ux-foundation.org
---

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

diff --git a/arch/m68k/atari/stram.c b/arch/m68k/atari/stram.c
index bf4588c..a37b985 100644
--- a/arch/m68k/atari/stram.c
+++ b/arch/m68k/atari/stram.c
@@ -130,7 +130,7 @@ void __init atari_stram_init(void)
 	/* determine whether kernel code resides in ST-RAM (then ST-RAM is the
 	 * first memory block at virtual 0x0) */
 	stram_start = phys_to_virt(0);
-	kernel_in_stram = (stram_start == 0);
+	kernel_in_stram = (stram_start == NULL);
 
 	for( i = 0; i < m68k_num_memory; ++i ) {
 		if (m68k_memory[i].addr == 0) {

-
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