There is no point calculating the residue if there is no txstate to store the value. Signed-off-by: Peter Griffin <peter.griffin@xxxxxxxxxx> --- drivers/dma/ste_dma40.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c index 6fb8307..378cc47 100644 --- a/drivers/dma/ste_dma40.c +++ b/drivers/dma/ste_dma40.c @@ -2588,7 +2588,7 @@ static enum dma_status d40_tx_status(struct dma_chan *chan, } ret = dma_cookie_status(chan, cookie, txstate); - if (ret != DMA_COMPLETE) + if (ret != DMA_COMPLETE && txstate) dma_set_residue(txstate, stedma40_residue(chan)); if (d40_is_paused(d40c)) -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
