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ALSA: Fix a potential crash on older versions of Linux.

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Public issue https://github.com/mackron/miniaudio/issues/532
This commit is contained in:
David Reid
2022-09-04 08:28:03 +10:00
parent b8b3affa1b
commit ddbc5768a6
1 changed files with 5 additions and 1 deletions
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miniaudio.h
+5 -1
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@@ -26626,7 +26626,11 @@ static ma_result ma_device_init_by_type__alsa(ma_device* pDevice, const ma_devic
/* Grab the internal channel map. For now we're not going to bother trying to change the channel map and instead just do it ourselves. */ /* Grab the internal channel map. For now we're not going to bother trying to change the channel map and instead just do it ourselves. */
{ {
ma_snd_pcm_chmap_t* pChmap = ((ma_snd_pcm_get_chmap_proc)pDevice->pContext->alsa.snd_pcm_get_chmap)(pPCM); ma_snd_pcm_chmap_t* pChmap = NULL;
if (pDevice->pContext->alsa.snd_pcm_get_chmap != NULL) {
pChmap = ((ma_snd_pcm_get_chmap_proc)pDevice->pContext->alsa.snd_pcm_get_chmap)(pPCM);
}
if (pChmap != NULL) { if (pChmap != NULL) {
ma_uint32 iChannel; ma_uint32 iChannel;