Commit a90e56e5 authored by Peter Griffin's avatar Peter Griffin Committed by Vinod Koul

dmaengine: ste_dma40: Only calculate residue if txstate exists.

There is no point calculating the residue if there is
no txstate to store the value.
Signed-off-by: default avatarPeter Griffin <peter.griffin@linaro.org>
Acked-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
parent e841b80f
...@@ -2588,7 +2588,7 @@ static enum dma_status d40_tx_status(struct dma_chan *chan, ...@@ -2588,7 +2588,7 @@ static enum dma_status d40_tx_status(struct dma_chan *chan,
} }
ret = dma_cookie_status(chan, cookie, txstate); ret = dma_cookie_status(chan, cookie, txstate);
if (ret != DMA_COMPLETE) if (ret != DMA_COMPLETE && txstate)
dma_set_residue(txstate, stedma40_residue(chan)); dma_set_residue(txstate, stedma40_residue(chan));
if (d40_is_paused(d40c)) if (d40_is_paused(d40c))
......
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