If platform_data is NULL, filter() is called with a NULL slave
parameter.
Signed-off-by: Richard Genoud <richard.gen...@gmail.com>
---
sound/soc/atmel/atmel-pcm-dma.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/sound/soc/atmel/atmel-pcm-dma.c b/sound/soc/atmel/atmel-pcm-dma.c
index 1d38fd0..b20dbba 100644
--- a/sound/soc/atmel/atmel-pcm-dma.c
+++ b/sound/soc/atmel/atmel-pcm-dma.c
@@ -96,6 +96,9 @@ static bool filter(struct dma_chan *chan, void *slave)
{
struct at_dma_slave *sl = slave;
+ if (!sl)
+ return false;
+
if (sl->dma_dev == chan->device->dev) {
chan->private = sl;
return true;
--
1.7.10.4
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