[Asterisk-code-review] app_dial: Prevent call from hanging (asterisk[master])

[N A]

Attention is currently required from: Joshua Colp.
N A has posted comments on this change. ( https://gerrit.asterisk.org/c/asterisk/+/15985 )

Change subject: app_dial: Prevent call from hanging
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Patch Set 2:

(1 comment)

File apps/app_dial.c:

https://gerrit.asterisk.org/c/asterisk/+/15985/comment/918899e2_3a0c3187 
PS2, Line 1802: 						if (ast_check_hangup_locked(o->chan)) {
> Using frame trace, I can confirm in this situation that a barrage of VOICE frames will always be pre […]
Er, to clarify:

Presumably o->chan becoming NULL is what causes it to give up.
If we hang up fewer than 0.08s, then o->chan never becomes null, even though that channel's gone. So something somewhere isn't given the chance to do this.

That explains why adding this check prevents the issue from happening:
if (ast_check_hangup_locked(o->chan))

If o->chan were null, we wouldn't need to do this.



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Gerrit-Project: asterisk
Gerrit-Branch: master
Gerrit-Change-Id: I6f2ee3f77b892015bc05513d868f071f279a3c80
Gerrit-Change-Number: 15985
Gerrit-PatchSet: 2
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