ss_thread calls pri_grab without lock during overlap dial

Recent changes to chan_dahdi with relation to overlap dialing call
pri_grab without first obtaining a lock.

(closes issue #17414)
Reported by: pdf
Patches:
      bug17414.patch uploaded by jpeeler (license 325)


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@272446 65c4cc65-6c06-0410-ace0-fbb531ad65f3
1.4
Richard Mudgett 15 years ago
parent d1292255d1
commit fac72f08b8

@ -6048,6 +6048,7 @@ static void *ss_thread(void *data)
ast_dsp_digitreset(p->dsp);
}
if (p->pri->overlapdial & DAHDI_OVERLAPDIAL_INCOMING) {
ast_mutex_lock(&p->lock);
if (p->pri->pri) {
if (!pri_grab(p, p->pri)) {
pri_proceeding(p->pri->pri, p->call, PVT_TO_CHANNEL(p), 0);
@ -6057,6 +6058,7 @@ static void *ss_thread(void *data)
ast_log(LOG_WARNING, "Unable to grab PRI on span %d\n", p->span);
}
}
ast_mutex_unlock(&p->lock);
}
dahdi_enable_ec(p);
ast_setstate(chan, AST_STATE_RING);

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