[patch] audit: fix audit_filter_user_rules() initialization bug

From: Ingo Molnar
Date: Fri Jan 12 2007 - 07:53:36 EST


From: Ingo Molnar <mingo@xxxxxxx>
Subject: [patch] audit: fix audit_filter_user_rules() initialization bug

gcc emits this warning:

kernel/auditfilter.c: In function 'audit_filter_user':
kernel/auditfilter.c:1611: warning: 'state' is used uninitialized in this function

i tend to agree with gcc - there are a couple of plausible exit paths
from audit_filter_user_rules() where it does not set 'state', keeping
the variable uninitialized. For example if a filter rule has an
AUDIT_POSSIBLE action. Initialize to 'wont audit'. Fix whitespace damage
too.

Signed-off-by: Ingo Molnar <mingo@xxxxxxx>

Index: linux/kernel/auditfilter.c
===================================================================
--- linux.orig/kernel/auditfilter.c
+++ linux/kernel/auditfilter.c
@@ -1601,8 +1601,8 @@ static int audit_filter_user_rules(struc

int audit_filter_user(struct netlink_skb_parms *cb, int type)
{
+ enum audit_state state = AUDIT_DISABLED;
struct audit_entry *e;
- enum audit_state state;
int ret = 1;

rcu_read_lock();
-
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