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ASoC: dmaengine: fix deferred probe detection

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Check the return value of dma_request_slave_channel_reason() to see if
deferred probe happens, not the variable the return value will be
assigned to later.

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Fixes: 5eda87b890 ("ASoC: dmaengine: support deferred probe for DMA channels")
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Stephen Warren 2013-12-11 11:20:50 -07:00 committed by Mark Brown
parent 5eda87b890
commit e9036c2a60
1 changed files with 1 additions and 1 deletions
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sound/soc/soc-generic-dmaengine-pcm.c
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@ -321,7 +321,7 @@ static int dmaengine_pcm_request_chan_of(struct dmaengine_pcm *pcm,
name = config->chan_names[i];
chan = dma_request_slave_channel_reason(dev, name);
if (IS_ERR(chan)) {
if (PTR_ERR(pcm->chan[i]) == -EPROBE_DEFER)
if (PTR_ERR(chan) == -EPROBE_DEFER)
return -EPROBE_DEFER;
pcm->chan[i] = NULL;
} else {