From 3892c5fa9455670466f9f5518b3b7ef12ef3ccd6 Mon Sep 17 00:00:00 2001
From: Paul Mackerras <paulus@samba.org>
Date: Fri, 6 May 2005 13:29:34 +1000
Subject: [PATCH] [PATCH] ppc64: fix prom.c compile warning
The code in unflatten_device_tree knows that get_property is written to
only return with lenp equal to 1 when also returning a valid pointer.
The gcc 3.3.3 compiler is not able to prove this to itself, so it warns
about a possible uninitialized pointer dereference:
.../arch/ppc64/kernel/prom.c: In function `unflatten_device_tree':
.../arch/ppc64/kernel/prom.c:828:
warning: `p' might be used uninitialized in this function
Unless it is desired to rework the interaction between the two
functions, this will keep the existing behavior but quiet the compiler.
Signed-off-by: Amos Waterland <apw@us.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
arch/ppc64/kernel/prom.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/ppc64/kernel/prom.c b/arch/ppc64/kernel/prom.c
index fe2946c5831457..eb6538b58008b6 100644
--- a/arch/ppc64/kernel/prom.c
+++ b/arch/ppc64/kernel/prom.c
@@ -834,7 +834,7 @@ void __init unflatten_device_tree(void)
{
unsigned long start, mem, size;
struct device_node **allnextp = &allnodes;
- char *p;
+ char *p = NULL;
int l = 0;
DBG(" -> unflatten_device_tree()\n");
--
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