linux-kernel - [PATCH] [18/45] x86_64: 0 -> NULL, for arch/x86

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Message-Id: <20070921204500.0B91314EFF@wotan.suse.de>
Date:	Fri, 21 Sep 2007 22:44:59 +0200 (CEST)
From:	Andi Kleen <ak@...e.de>
To:	padator@...adoo.fr, ak@...e.de, discuss@...-64.org,
	akpm@...ux-foundation.org, patches@...-64.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] [18/45] x86_64: 0 -> NULL, for arch/x86_64


From: Yoann Padioleau <padator@...adoo.fr>

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

Signed-off-by: Yoann Padioleau <padator@...adoo.fr>
Signed-off-by: Andi Kleen <ak@...e.de>
Cc: ak@...e.de
Cc: discuss@...-64.org
Cc: akpm@...ux-foundation.org
---

 arch/x86_64/mm/numa.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Index: linux/arch/x86_64/mm/numa.c
===================================================================
--- linux.orig/arch/x86_64/mm/numa.c
+++ linux/arch/x86_64/mm/numa.c
@@ -166,7 +166,7 @@ early_node_mem(int nodeid, unsigned long
 		return __va(mem);
 	ptr = __alloc_bootmem_nopanic(size,
 				SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS));
-	if (ptr == 0) {
+	if (ptr == NULL) {
 		printk(KERN_ERR "Cannot find %lu bytes in node %d\n",
 			size, nodeid);
 		return NULL;
-
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