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Merged revisions 280879 via svnmerge from

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https://origsvn.digium.com/svn/asterisk/branches/1.8

........
  r280879 | tilghman | 2010-08-04 09:04:07 -0500 (Wed, 04 Aug 2010) | 14 lines
  
  Check cur value before attempting a deref.
  
  (closes issue #17775)
   Reported by: svinson
   Patches: 
         20100804__issue17775.diff.txt uploaded by tilghman (license 14)
   Tested by: svinson
  
  (closes issue #17743)
   Reported by: tgruenberg
   Patches: 
         20100804__issue17775.diff.txt uploaded by tilghman (license 14)
   Tested by: tgruenberg
........


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@280880 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Tilghman Lesher
2010-08-04 14:05:11 +00:00
parent 42490d744b
commit ca661f4702
1 changed files with 1 additions and 1 deletions
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2
channels/chan_mgcp.c
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@@ -3580,7 +3580,7 @@ static int find_and_retrans(struct mgcp_subchannel *sub, struct mgcp_request *re
if (sscanf(req->identifier, "%30d", &seqno) != 1) {
seqno = 0;
}
for (cur = sub->parent->parent->responses, next = cur->next; cur; cur = next, next = cur->next) {
for (cur = sub->parent->parent->responses, next = cur ? cur->next : NULL; cur; cur = next, next = cur ? cur->next : NULL) {
if (now - cur->whensent > RESPONSE_TIMEOUT) {
/* Delete this entry */
if (prev)