Dial API: Prevent crash on NULL cap
authorKinsey Moore <kmoore@digium.com>
Mon, 21 Jul 2014 17:03:58 +0000 (17:03 +0000)
committerKinsey Moore <kmoore@digium.com>
Mon, 21 Jul 2014 17:03:58 +0000 (17:03 +0000)
This prevents a crash in the Dial API triggered by use of the Page()
application where a format capability struct was used before checking
whether it was NULL.

ASTERISK-24074 #close

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@419111 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/dial.c

index 0955aad..afee5ee 100644 (file)
@@ -300,7 +300,7 @@ static int begin_dial_prerun(struct ast_dial_channel *channel, struct ast_channe
        /* Copy device string over */
        ast_copy_string(numsubst, channel->device, sizeof(numsubst));
 
-       if (ast_format_cap_count(cap)) {
+       if (cap && ast_format_cap_count(cap)) {
                cap_request = cap;
        } else if (chan) {
                cap_request = ast_channel_nativeformats(chan);