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func_audiohookinheritance: Check If A Channel Was Specified

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This patch prevents a crash when using the function audiohookinheritance without
setting the channel.

(closes issue ASTERISK-23104)
Reported by: Joel Vandal
Tested by: Joel Vandal
Patches:
    asterisk-23104_audiohook_inherit_no_channel-11.diff
                                     uploaded by Michael L. Young (license 5026)

Review: https://reviewboard.asterisk.org/r/3272/
........

Merged revisions 409623 from http://svn.asterisk.org/svn/asterisk/branches/1.8
........

Merged revisions 409625 from http://svn.asterisk.org/svn/asterisk/branches/11


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/12@409626 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Michael L. Young
2014-03-04 19:34:05 +00:00
parent 9055e2b4b7
commit 75d35258a4
1 changed files with 5 additions and 0 deletions
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5
funcs/func_audiohookinherit.c
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@@ -228,6 +228,11 @@ static int func_inheritance_write(struct ast_channel *chan, const char *function
return -1; return -1;
} }
if (!chan) {
ast_log(LOG_WARNING, "No channel was provided to INHERITANCE function.\n");
return -1;
}
allow = ast_true(value); allow = ast_true(value);
/* Step 2: retrieve or set up datastore */ /* Step 2: retrieve or set up datastore */