diff mbox

spi: s3c64xx: fix reference leak to master in s3c64xx_spi_remove()

Message ID CAPgLHd_-cpipSk5+SVPwZ0_Jzx2P5tJVFaj8Rxkbb_+yFVqvEg@mail.gmail.com (mailing list archive)
State Not Applicable, archived
Headers show

Commit Message

Wei Yongjun Nov. 15, 2013, 7:54 a.m. UTC 
From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>

Once a spi_master_get() call succeeds, we need an additional
spi_master_put() call to free the memory, otherwise we will
leak a reference to master. Fix by removing the unnecessary
spi_master_get() call.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
---
 drivers/spi/spi-s3c64xx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)


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Comments

Mark Brown Nov. 15, 2013, 10:34 a.m. UTC | #1 
On Fri, Nov 15, 2013 at 03:54:16PM +0800, Wei Yongjun wrote:
> From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
> 
> Once a spi_master_get() call succeeds, we need an additional
> spi_master_put() call to free the memory, otherwise we will
> leak a reference to master. Fix by removing the unnecessary
> spi_master_get() call.

Applied, thanks.
diff mbox

Patch

diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
index 9e2020d..9c82d7b 100644
--- a/drivers/spi/spi-s3c64xx.c
+++ b/drivers/spi/spi-s3c64xx.c
@@ -1439,7 +1439,7 @@  err0:
 
 static int s3c64xx_spi_remove(struct platform_device *pdev)
 {
-	struct spi_master *master = spi_master_get(platform_get_drvdata(pdev));
+	struct spi_master *master = platform_get_drvdata(pdev);
 	struct s3c64xx_spi_driver_data *sdd = spi_master_get_devdata(master);
 
 	pm_runtime_disable(&pdev->dev);