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FS-3077 prevent crash on double call to asr_close

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This commit is contained in:
Christopher Rienzo 2011-02-21 15:00:35 +00:00
parent 06988e1a36
commit 4f5ca9e88d
1 changed files with 12 additions and 8 deletions
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8
src/mod/asr_tts/mod_unimrcp/mod_unimrcp.c
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@ -3155,7 +3155,11 @@ static switch_status_t recog_asr_disable_all_grammars(switch_asr_handle_t *ah)
static switch_status_t recog_asr_close(switch_asr_handle_t *ah, switch_asr_flag_t *flags)
{
speech_channel_t *schannel = (speech_channel_t *) ah->private_info;
recognizer_data_t *r = (recognizer_data_t *) schannel->data;
recognizer_data_t *r = NULL;
/* close if not already closed */
if (schannel != NULL && !switch_test_flag(ah, SWITCH_ASR_FLAG_CLOSED)) {
r = (recognizer_data_t *) schannel->data;
speech_channel_stop(schannel);
speech_channel_destroy(schannel);
switch_core_hash_destroy(&r->grammars);
@ -3163,7 +3167,7 @@ static switch_status_t recog_asr_close(switch_asr_handle_t *ah, switch_asr_flag_
if (r->dtmf_generator) {
mpf_dtmf_generator_destroy(r->dtmf_generator);
}
}
/* this lets FreeSWITCH's speech_thread know the handle is closed */
switch_set_flag(ah, SWITCH_ASR_FLAG_CLOSED);