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

[Joshua Colp]

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Joshua Colp 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/1d248c48_55df23b6 
PS2, Line 1802: 						if (ast_check_hangup_locked(o->chan)) {
> Er, to clarify: […]
Returning NULL and a null frame are two separate things. Returning a null frame by itself does not indicate hangup. The ast_read function internally has behavior which causes it to return NULL to indicate hangup to the caller.



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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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Gerrit-Reviewer: Joshua Colp <jcolp at sangoma.com>
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