Make sure that snd_pcm_open returned a valid handle before using it.

50149af8 · Alexandre Julliard · 79916df9 · 50149af8
Commit 50149af8 authored Apr 27, 2003 by Alexandre Julliard
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audio.c dlls/winmm/winealsa/audio.c +1 -0

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--- a/dlls/winmm/winealsa/audio.c
+++ b/dlls/winmm/winealsa/audio.c
@@ -432,6 +432,7 @@ LONG ALSA_WaveInit(void)
    ALSA_WodNumDevs = 0;
    EXIT_ON_ERROR( snd_pcm_open(&h, wwo->device, SND_PCM_STREAM_PLAYBACK, SND_PCM_NONBLOCK) , "open pcm" );
+    if (!h) return -1;
    ALSA_WodNumDevs++;
    EXIT_ON_ERROR( snd_pcm_info(h, info) , "pcm info" );