[PATCH] Fix a 64bit bug in kobject module request

From: Andi Kleen
Date: Wed Mar 10 2004 - 23:12:21 EST



>From Takashi Iwai

kobj_lookup had a 64bit bug, which caused the request of a unknown
character device to burn CPU instead of failing quickly.

diff -burpN -X ../KDIFX linux-vanilla/drivers/base/map.c linux-2.6.4-amd64/drivers/base/map.c
--- linux-vanilla/drivers/base/map.c 2003-09-23 08:03:40.000000000 +0200
+++ linux-2.6.4-amd64/drivers/base/map.c 2004-03-08 15:23:45.000000000 +0100
@@ -96,7 +96,7 @@ struct kobject *kobj_lookup(struct kobj_
{
struct kobject *kobj;
struct probe *p;
- unsigned best = ~0U;
+ unsigned long best = ~0UL;

retry:
down_read(domain->sem);
-
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