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authorDan Carpenter <dan.carpenter@oracle.com>2017-01-13 08:42:53 +0100
committerMark Brown <broonie@kernel.org>2017-01-17 18:58:51 +0100
commit72bc7ae0633e2b580217d254114ac6650380b7f6 (patch)
tree123cbc06ba55dbe34bf0ea7ea6c16f788c082720 /drivers/spi
parentspi: s3c64xx: Don't request/release DMA channels for each SPI transfer (diff)
downloadlinux-72bc7ae0633e2b580217d254114ac6650380b7f6.tar.xz
linux-72bc7ae0633e2b580217d254114ac6650380b7f6.zip
spi: s3c64xx: potential oops on probe error
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> Acked-by: Marek Szyprowski <m.szyprowski@samsung.com> Acked-by: Andi Shyti <andi.shyti@samsung.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi')
-rw-r--r--drivers/spi/spi-s3c64xx.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
index 849ee82483e4..b8cd356d8d10 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 @@ err_pm_put:
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: