From 00af5c69598212cf6cd4ecb4ca89785118aeecad Mon Sep 17 00:00:00 2001 From: roel kluin Date: Wed, 29 Oct 2008 15:55:53 -0400 Subject: [PATCH] cipso: unsigned buf_len cannot be negative unsigned buf_len cannot be negative Signed-off-by: Roel Kluin Signed-off-by: Paul Moore --- net/ipv4/cipso_ipv4.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/net/ipv4/cipso_ipv4.c b/net/ipv4/cipso_ipv4.c index 490e035c6d90d..2e78f6bd97756 100644 --- a/net/ipv4/cipso_ipv4.c +++ b/net/ipv4/cipso_ipv4.c @@ -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