Add sanity checks for NULL audit_buffer consistent with other
audit_log* routines.

Signed-off-by: Amy Griffis <[EMAIL PROTECTED]>
---
diff --git a/kernel/audit.c b/kernel/audit.c
index 0a36091..963fd15 100644
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -1028,6 +1028,9 @@ void audit_log_hex(struct audit_buffer *
        struct sk_buff *skb;
        static const unsigned char *hex = "0123456789ABCDEF";
 
+       if (!ab)
+               return;
+
        BUG_ON(!ab->skb);
        skb = ab->skb;
        avail = skb_tailroom(skb);
@@ -1060,6 +1063,9 @@ static void audit_log_n_string(struct au
        unsigned char *ptr;
        struct sk_buff *skb;
 
+       if (!ab)
+               return;
+
        BUG_ON(!ab->skb);
        skb = ab->skb;
        avail = skb_tailroom(skb);

--
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