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Groups > linux.kernel > #1416460
| From | Peter Griffin <peter.griffin@linaro.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 6/8] dmaengine: sun6i-dma: Only calculate residue if state exists. |
| Date | 2016-06-07 19:50 +0200 |
| Message-ID | <rHtix-5Fq-7@gated-at.bofh.it> (permalink) |
| References | <rHt8R-5BX-1@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
There is no point in calculating the residue if state does not exist to store the value. Signed-off-by: Peter Griffin <peter.griffin@linaro.org> --- drivers/dma/sun6i-dma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/dma/sun6i-dma.c b/drivers/dma/sun6i-dma.c index 5065ca4..3835fcd 100644 --- a/drivers/dma/sun6i-dma.c +++ b/drivers/dma/sun6i-dma.c @@ -865,7 +865,7 @@ static enum dma_status sun6i_dma_tx_status(struct dma_chan *chan, size_t bytes = 0; ret = dma_cookie_status(chan, cookie, state); - if (ret == DMA_COMPLETE) + if (ret == DMA_COMPLETE || !state) return ret; spin_lock_irqsave(&vchan->vc.lock, flags); -- 1.9.1
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[PATCH 0/8] Various dmaengine cleanups Peter Griffin <peter.griffin@linaro.org> - 2016-06-07 19:40 +0200
[PATCH 8/8] dmaengine: Remove site specific OOM error messages on kzalloc Peter Griffin <peter.griffin@linaro.org> - 2016-06-07 19:40 +0200
Re: [PATCH 8/8] dmaengine: Remove site specific OOM error messages on kzalloc Jon Hunter <jonathanh@nvidia.com> - 2016-06-08 10:30 +0200
Re: [PATCH 8/8] dmaengine: Remove site specific OOM error messages on kzalloc Linus Walleij <linus.walleij@linaro.org> - 2016-06-08 14:20 +0200
Re: [PATCH 8/8] dmaengine: Remove site specific OOM error messages on kzalloc Lee Jones <lee.jones@linaro.org> - 2016-06-09 17:40 +0200
[PATCH 3/8] dmaengine: coh901318: Only calculate residue if txstate exists. Peter Griffin <peter.griffin@linaro.org> - 2016-06-07 19:40 +0200
Re: [PATCH 3/8] dmaengine: coh901318: Only calculate residue if txstate exists. Linus Walleij <linus.walleij@linaro.org> - 2016-06-08 14:20 +0200
[PATCH 5/8] dmaengine: ste_dma40: Only calculate residue if txstate exists. Peter Griffin <peter.griffin@linaro.org> - 2016-06-07 19:40 +0200
Re: [PATCH 5/8] dmaengine: ste_dma40: Only calculate residue if txstate exists. Linus Walleij <linus.walleij@linaro.org> - 2016-06-08 14:20 +0200
[PATCH 2/8] dmaengine: fsl-edma: print error code in error messages. Peter Griffin <peter.griffin@linaro.org> - 2016-06-07 19:50 +0200
[PATCH 6/8] dmaengine: sun6i-dma: Only calculate residue if state exists. Peter Griffin <peter.griffin@linaro.org> - 2016-06-07 19:50 +0200
[PATCH 1/8] dmaengine: fsl-edma: Fix clock handling error paths Peter Griffin <peter.griffin@linaro.org> - 2016-06-07 19:50 +0200
[PATCH 4/8] dmaengine: s3c24xx: Simplify code in s3c24xx_dma_tx_status() Peter Griffin <peter.griffin@linaro.org> - 2016-06-07 19:50 +0200
[PATCH 7/8] dmaengine: tegra20-apb-dma: Only calculate residue if txstate exists. Peter Griffin <peter.griffin@linaro.org> - 2016-06-07 19:50 +0200
Re: [PATCH 7/8] dmaengine: tegra20-apb-dma: Only calculate residue if txstate exists. Jon Hunter <jonathanh@nvidia.com> - 2016-06-08 11:10 +0200
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