1 files changed, 2 insertions, 0 deletions

diff --git a/sound/arm/pxa2xx-pcm-lib.c b/sound/arm/pxa2xx-pcm-lib.c
index 743ac6a29065..8808b82311b1 100644
--- a/sound/arm/pxa2xx-pcm-lib.c
+++ b/sound/arm/pxa2xx-pcm-lib.c
@@ -4,6 +4,7 @@
  * published by the Free Software Foundation.
  */
 
+#include <linux/slab.h>
 #include <linux/module.h>
 #include <linux/dma-mapping.h>
 
@@ -205,6 +206,7 @@ int __pxa2xx_pcm_open(struct snd_pcm_substream *substream)
         if (!rtd->dma_desc_array)
                 goto err1;
 
+        rtd->dma_ch = -1;
         runtime->private_data = rtd;
         return 0;