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Merged revisions 56684 via svnmerge from

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https://origsvn.digium.com/svn/asterisk/branches/1.2

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r56684 | tilghman | 2007-02-25 08:38:03 -0600 (Sun, 25 Feb 2007) | 3 lines

Issue 9130 - If prev is the last item on the channel list, then evaluating
additional conditions (e.g. name prefix) will cause a NULL dereference.

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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@56685 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Tilghman Lesher
2007-02-25 14:46:41 +00:00
parent a9e4e0eefa
commit 185d7f5a3a
1 changed files with 5 additions and 1 deletions
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6
main/channel.c
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@@ -997,7 +997,11 @@ static struct ast_channel *channel_find_locked(const struct ast_channel *prev,
if (c != prev) /* not this one */ if (c != prev) /* not this one */
continue; continue;
/* found, prepare to return c->next */ /* found, prepare to return c->next */
c = AST_LIST_NEXT(c, chan_list); if ((c = AST_LIST_NEXT(c, chan_list)) == NULL) break;
/* If prev was the last item on the channel list, then we just
* want to return NULL, instead of trying to deref NULL in the
* next section.
*/
} }
if (name) { /* want match by name */ if (name) { /* want match by name */
if ((!namelen && strcasecmp(c->name, name)) || if ((!namelen && strcasecmp(c->name, name)) ||