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[PATCH] sanity check audit_buffer
Add sanity checks for NULL audit_buffer consistent with other audit_log* routines. Signed-off-by: Amy Griffis <amy.griffis@hp.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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@ -1028,6 +1028,9 @@ void audit_log_hex(struct audit_buffer *ab, const unsigned char *buf,
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struct sk_buff *skb;
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static const unsigned char *hex = "0123456789ABCDEF";
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if (!ab)
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return;
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BUG_ON(!ab->skb);
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skb = ab->skb;
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avail = skb_tailroom(skb);
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@ -1060,6 +1063,9 @@ static void audit_log_n_string(struct audit_buffer *ab, size_t slen,
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unsigned char *ptr;
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struct sk_buff *skb;
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if (!ab)
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return;
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BUG_ON(!ab->skb);
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skb = ab->skb;
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avail = skb_tailroom(skb);
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