ASoC: Tegra: Fix error handling in DMA channel alloc

tegra_dma_allocate_channel() returns NULL on errors, not an error pointer.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/sound/soc/tegra/tegra_pcm.c b/sound/soc/tegra/tegra_pcm.c
index 40540b175f5e..3c271f953582 100644
--- a/sound/soc/tegra/tegra_pcm.c
+++ b/sound/soc/tegra/tegra_pcm.c
@@ -161,8 +161,8 @@ static int tegra_pcm_open(struct snd_pcm_substream *substream)
         prtd->dma_req[1].dev = prtd;
 
         prtd->dma_chan = tegra_dma_allocate_channel(TEGRA_DMA_MODE_ONESHOT);
-        if (IS_ERR(prtd->dma_chan)) {
-                ret = PTR_ERR(prtd->dma_chan);
+        if (prtd->dma_chan == NULL) {
+                ret = -ENOMEM;
                 goto err;
         }