diff mbox

Applied "spi: s3c64xx: potential oops on probe error" to the spi tree

Message ID E1cTYm1-0000XD-FR@debutante (mailing list archive)
State Not Applicable
Headers show

Commit Message

Mark Brown Jan. 17, 2017, 6:46 p.m. UTC
The patch

   spi: s3c64xx: potential oops on probe error

has been applied to the spi tree at


All being well this means that it will be integrated into the linux-next
tree (usually sometime in the next 24 hours) and sent to Linus during
the next merge window (or sooner if it is a bug fix), however if
problems are discovered then the patch may be dropped or reverted.  

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From 72bc7ae0633e2b580217d254114ac6650380b7f6 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Fri, 13 Jan 2017 10:42:53 +0300
Subject: [PATCH] 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>
 drivers/spi/spi-s3c64xx.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)
diff mbox


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 @@  static int s3c64xx_spi_probe(struct platform_device *pdev)
 	if (!is_polling(sdd))
-		dma_release_channel(sdd->rx_dma.ch);
-	if (!is_polling(sdd))
+	if (!is_polling(sdd))
+		dma_release_channel(sdd->rx_dma.ch);