| Message ID | 20170113074253.GA30524@mwanda (mailing list archive) |
|---|---|
| State | Not Applicable |
| Headers | show |
Hi Dan, On 2017-01-13 08:42, Dan Carpenter wrote: > We accidentally mixed up freeing the rx and tx channels which would a > leak and an oops. > > Fixes: 3d63a47a380a ("spi: s3c64xx: Don't request/release DMA channels for each SPI transfer") > Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Right, my fault. Thanks for the fix! Acked-by: Marek Szyprowski <m.szyprowski@samsung.com> > diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c > index 849ee82..b8cd356 100644 > --- a/drivers/spi/spi-s3c64xx.c > +++ b/drivers/spi/spi-s3c64xx.c > @@ -1147,7 +1147,7 @@ static int s3c64xx_spi_probe(struct platform_device *pdev) > if (IS_ERR(sdd->tx_dma.ch)) { > dev_err(&pdev->dev, "Failed to get TX DMA channel\n"); > ret = PTR_ERR(sdd->tx_dma.ch); > - goto err_release_tx_dma; > + goto err_release_rx_dma; > } > } > > @@ -1197,10 +1197,10 @@ static int s3c64xx_spi_probe(struct platform_device *pdev) > pm_runtime_set_suspended(&pdev->dev); > > if (!is_polling(sdd)) > - dma_release_channel(sdd->rx_dma.ch); > -err_release_tx_dma: > - if (!is_polling(sdd)) > dma_release_channel(sdd->tx_dma.ch); > +err_release_rx_dma: > + if (!is_polling(sdd)) > + dma_release_channel(sdd->rx_dma.ch); > err_disable_io_clk: > clk_disable_unprepare(sdd->ioclk); > err_disable_src_clk: > -- > To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > > Best regards
On Fri, Jan 13, 2017 at 10:42:53AM +0300, Dan Carpenter wrote: > We accidentally mixed up freeing the rx and tx channels which would a > leak and an oops. > > Fixes: 3d63a47a380a ("spi: s3c64xx: Don't request/release DMA channels for each SPI transfer") > Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Thanks, Dan. Acked-by: Andi Shyti <andi.shyti@samsung.com> Andi > > diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c > index 849ee82..b8cd356 100644 > --- a/drivers/spi/spi-s3c64xx.c > +++ b/drivers/spi/spi-s3c64xx.c > @@ -1147,7 +1147,7 @@ static int s3c64xx_spi_probe(struct platform_device *pdev) > if (IS_ERR(sdd->tx_dma.ch)) { > dev_err(&pdev->dev, "Failed to get TX DMA channel\n"); > ret = PTR_ERR(sdd->tx_dma.ch); > - goto err_release_tx_dma; > + goto err_release_rx_dma; > } > } > > @@ -1197,10 +1197,10 @@ static int s3c64xx_spi_probe(struct platform_device *pdev) > pm_runtime_set_suspended(&pdev->dev); > > if (!is_polling(sdd)) > - dma_release_channel(sdd->rx_dma.ch); > -err_release_tx_dma: > - if (!is_polling(sdd)) > dma_release_channel(sdd->tx_dma.ch); > +err_release_rx_dma: > + if (!is_polling(sdd)) > + dma_release_channel(sdd->rx_dma.ch); > err_disable_io_clk: > clk_disable_unprepare(sdd->ioclk); > err_disable_src_clk: > -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c index 849ee82..b8cd356 100644 --- a/drivers/spi/spi-s3c64xx.c +++ b/drivers/spi/spi-s3c64xx.c @@ -1147,7 +1147,7 @@ static int s3c64xx_spi_probe(struct platform_device *pdev) if (IS_ERR(sdd->tx_dma.ch)) { dev_err(&pdev->dev, "Failed to get TX DMA channel\n"); ret = PTR_ERR(sdd->tx_dma.ch); - goto err_release_tx_dma; + goto err_release_rx_dma; } } @@ -1197,10 +1197,10 @@ static int s3c64xx_spi_probe(struct platform_device *pdev) pm_runtime_set_suspended(&pdev->dev); if (!is_polling(sdd)) - dma_release_channel(sdd->rx_dma.ch); -err_release_tx_dma: - if (!is_polling(sdd)) dma_release_channel(sdd->tx_dma.ch); +err_release_rx_dma: + if (!is_polling(sdd)) + dma_release_channel(sdd->rx_dma.ch); err_disable_io_clk: clk_disable_unprepare(sdd->ioclk); err_disable_src_clk:
We accidentally mixed up freeing the rx and tx channels which would a leak and an oops. Fixes: 3d63a47a380a ("spi: s3c64xx: Don't request/release DMA channels for each SPI transfer") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html