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-rw-r--r--sound/soc/pxa/mmp-pcm.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sound/soc/pxa/mmp-pcm.c b/sound/soc/pxa/mmp-pcm.c
index 5d520e18e512..99b245e3079a 100644
--- a/sound/soc/pxa/mmp-pcm.c
+++ b/sound/soc/pxa/mmp-pcm.c
@@ -98,7 +98,7 @@ static bool filter(struct dma_chan *chan, void *param)
devname = kasprintf(GFP_KERNEL, "%s.%d", dma_data->dma_res->name,
dma_data->ssp_id);
- if ((strcmp(dev_name(chan->device->dev), devname) == 0) &&
+ if (devname && (strcmp(dev_name(chan->device->dev), devname) == 0) &&
(chan->chan_id == dma_data->dma_res->start)) {
found = true;
}