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cipso: unsigned buf_len cannot be negative 

unsigned buf_len cannot be negative

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Paul Moore <paul.moore@hp.com>
This commit is contained in:
roel kluin 2008-10-29 15:55:53 -04:00 committed by Paul Moore
parent e946217e4f
commit 00af5c6959
1 changed files with 4 additions and 3 deletions
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7
net/ipv4/cipso_ipv4.c
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@ -2063,9 +2063,10 @@ int cipso_v4_skbuff_setattr(struct sk_buff *skb,
u32 opt_len; u32 opt_len;
int len_delta; int len_delta;
buf_len = cipso_v4_genopt(buf, buf_len, doi_def, secattr); ret_val = cipso_v4_genopt(buf, buf_len, doi_def, secattr);
if (buf_len < 0) if (ret_val < 0)
return buf_len; return ret_val;
buf_len = ret_val;
opt_len = (buf_len + 3) & ~3; opt_len = (buf_len + 3) & ~3;
/* we overwrite any existing options to ensure that we have enough /* we overwrite any existing options to ensure that we have enough