[Asterisk-code-review] app_read: Fix null pointer crash (asterisk[16.21])

[George Joseph]

George Joseph has posted comments on this change. ( https://gerrit.asterisk.org/c/asterisk/+/16555 )

Change subject: app_read: Fix null pointer crash
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Patch Set 1: Code-Review+2


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Gerrit-Project: asterisk
Gerrit-Branch: 16.21
Gerrit-Change-Id: Ie941833e123c3dbfb88371b5de5edbbe065514ac
Gerrit-Change-Number: 16555
Gerrit-PatchSet: 1
Gerrit-Owner: George Joseph <gjoseph at digium.com>
Gerrit-Reviewer: George Joseph <gjoseph at digium.com>
Gerrit-CC: N A <mail at interlinked.x10host.com>
Gerrit-Comment-Date: Thu, 30 Sep 2021 15:19:38 +0000
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