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Commit 00af5c69 authored by roel kluin's avatar roel kluin Committed by Paul Moore
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cipso: unsigned buf_len cannot be negative 



unsigned buf_len cannot be negative

Signed-off-by: default avatarRoel Kluin <roel.kluin@gmail.com>
Signed-off-by: default avatarPaul Moore <paul.moore@hp.com>
parent e946217e

net/ipv4/cipso_ipv4.c

+4 −3
Original line number Diff line number Diff line
@@ -2063,9 +2063,10 @@ int cipso_v4_skbuff_setattr(struct sk_buff *skb, 
	u32 opt_len;

	int len_delta;



	buf_len = cipso_v4_genopt(buf, buf_len, doi_def, secattr);

	if (buf_len < 0)

		return buf_len;

	ret_val = cipso_v4_genopt(buf, buf_len, doi_def, secattr);

	if (ret_val < 0)

		return ret_val;

	buf_len = ret_val;

	opt_len = (buf_len + 3) & ~3;



	/* we overwrite any existing options to ensure that we have enough