[alsa-devel] [PATCH] ASoC: Tegra: Fix error handling in DMA channel alloc
Stephen Warren
swarren at nvidia.com
Wed Feb 23 04:16:34 CET 2011
tegra_dma_allocate_channel() returns NULL on errors, not an error pointer.
Signed-off-by: Stephen Warren <swarren at nvidia.com>
---
sound/soc/tegra/tegra_pcm.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/sound/soc/tegra/tegra_pcm.c b/sound/soc/tegra/tegra_pcm.c
index 40540b1..3c271f9 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;
}
--
1.7.1
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