[PATCH] audit: fix uninitialized variable in audit_add_rule()

[Paul Moore <pmoore@redhat.com>]

As reported by the 0-Day testing service:

   kernel/auditfilter.c: In function 'audit_rule_change':
>> kernel/auditfilter.c:864:6: warning: 'err' may be used uninit...
     int err;

Cc: Richard Guy Briggs <rgb@redhat.com>
Signed-off-by: Paul Moore <pmoore@redhat.com>
---
 kernel/auditfilter.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/auditfilter.c b/kernel/auditfilter.c
index 4cb9b44..83f6d29 100644
--- a/kernel/auditfilter.c
+++ b/kernel/auditfilter.c
@@ -861,7 +861,7 @@ static inline int audit_add_rule(struct audit_entry *entry)
 	struct audit_watch *watch = entry->rule.watch;
 	struct audit_tree *tree = entry->rule.tree;
 	struct list_head *list;
-	int err;
+	int err = 0;
 #ifdef CONFIG_AUDITSYSCALL
 	int dont_count = 0;