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ASoC: Tegra: Fix error handling in DMA channel alloc

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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>
This commit is contained in:
Stephen Warren 2011-02-22 20:16:34 -07:00 committed by Mark Brown
parent 61a142b7e4
commit e1412e636e
1 changed files with 2 additions and 2 deletions
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4
sound/soc/tegra/tegra_pcm.c
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@ -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;
}