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SCTP: Fix chunk acceptance when no authenticated chunks were listed.

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In the case where no autheticated chunks were specified, we were still
trying to verify that a given chunk needs authentication and doing so
incorrectly.  Add a check for parameter length to make sure we don't
try to use an empty auth_chunks parameter to verify against.

Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
This commit is contained in:
Vlad Yasevich 2007-11-29 08:56:16 -05:00
parent 8ee4be37e8
commit 555d3d5d2b
1 changed files with 1 additions and 1 deletions
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2
net/sctp/auth.c
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@ -631,7 +631,7 @@ static int __sctp_auth_cid(sctp_cid_t chunk, struct sctp_chunks_param *param)
int found = 0;
int i;
if (!param)
if (!param || param->param_hdr.length == 0)
return 0;
len = ntohs(param->param_hdr.length) - sizeof(sctp_paramhdr_t);