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-rw-r--r--include/sound/pcm_oss.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/sound/pcm_oss.h b/include/sound/pcm_oss.h
index c854647b6f3c..1cd4f64cdf31 100644
--- a/include/sound/pcm_oss.h
+++ b/include/sound/pcm_oss.h
@@ -56,6 +56,7 @@ struct snd_pcm_oss_runtime {
size_t mmap_bytes;
char *buffer; /* vmallocated period */
size_t buffer_used; /* used length from period buffer */
+ struct mutex params_lock;
#ifdef CONFIG_SND_PCM_OSS_PLUGINS
struct snd_pcm_plugin *plugin_first;
struct snd_pcm_plugin *plugin_last;