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dmaengine: zxdma: Fix off-by-one for testing valid pchan request
The valid pchan range is 0 ~ d->dma_requests - 1. Signed-off-by: Axel Lin <axel.lin@ingics.com> Reviewed-by: Jun Nie <jun.nie@linaro.org> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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@ -739,7 +739,7 @@ static struct dma_chan *zx_of_dma_simple_xlate(struct of_phandle_args *dma_spec,
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struct dma_chan *chan;
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struct zx_dma_chan *c;
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if (request > d->dma_requests)
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if (request >= d->dma_requests)
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return NULL;
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chan = dma_get_any_slave_channel(&d->slave);
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