Update of /cvsroot/alsa/alsa-kernel/core/oss
In directory sc8-pr-cvs1:/tmp/cvs-serv21532/core/oss
Modified Files:
pcm_oss.c
Log Message:
Added open flag to disallow calling hw_free and close callbacks when open was not
called before
Index: pcm_oss.c
===================================================================
RCS file: /cvsroot/alsa/alsa-kernel/core/oss/pcm_oss.c,v
retrieving revision 1.31
retrieving revision 1.32
diff -u -r1.31 -r1.32
--- pcm_oss.c 28 Feb 2003 09:22:55 -0000 1.31
+++ pcm_oss.c 12 Mar 2003 12:14:03 -0000 1.32
@@ -1480,9 +1480,12 @@
if (snd_pcm_running(substream))
snd_pcm_stop(substream, SNDRV_PCM_STATE_SETUP);
spin_unlock_irq(&runtime->lock);
- if (substream->ops->hw_free != NULL)
- substream->ops->hw_free(substream);
- substream->ops->close(substream);
+ if (substream->open_flag) {
+ if (substream->ops->hw_free != NULL)
+ substream->ops->hw_free(substream);
+ substream->ops->close(substream);
+ substream->open_flag = 0;
+ }
substream->ffile = NULL;
snd_pcm_oss_release_substream(substream);
snd_pcm_release_substream(substream);
@@ -1546,6 +1549,7 @@
snd_pcm_oss_release_file(pcm_oss_file);
return err;
}
+ psubstream->open_flag = 1;
err = snd_pcm_hw_constraints_complete(psubstream);
if (err < 0) {
snd_printd("snd_pcm_hw_constraint_complete failed\n");
@@ -1567,6 +1571,7 @@
snd_pcm_oss_release_file(pcm_oss_file);
return err;
}
+ csubstream->open_flag = 1;
err = snd_pcm_hw_constraints_complete(csubstream);
if (err < 0) {
snd_printd("snd_pcm_hw_constraint_complete failed\n");
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