* [PATCH] spi: s3c64xx: fix reference leak to master in s3c64xx_spi_remove()
@ 2013-11-15 7:54 Wei Yongjun
2013-11-15 10:34 ` Mark Brown
0 siblings, 1 reply; 2+ messages in thread
From: Wei Yongjun @ 2013-11-15 7:54 UTC (permalink / raw)
To: ben-linux-elnMNo+KYs3YtjvyW6yDsg,
kgene.kim-Sze3O3UU22JBDgjK7y7TUQ, broonie-DgEjT+Ai2ygdnm+yROfE0A,
grant.likely-QSEj5FYQhm4dnm+yROfE0A,
rob.herring-bsGFqQB8/DxBDgjK7y7TUQ,
jg1.han-Sze3O3UU22JBDgjK7y7TUQ
Cc: yongjun_wei-zrsr2BFq86L20UzCJQGyNP8+0UxHXcjY,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r,
linux-samsung-soc-u79uwXL29TY76Z2rM5mHXA,
linux-spi-u79uwXL29TY76Z2rM5mHXA
From: Wei Yongjun <yongjun_wei-zrsr2BFq86L20UzCJQGyNP8+0UxHXcjY@public.gmane.org>
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-zrsr2BFq86L20UzCJQGyNP8+0UxHXcjY@public.gmane.org>
---
drivers/spi/spi-s3c64xx.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
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);
--
To unsubscribe from this list: send the line "unsubscribe linux-spi" in
the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] spi: s3c64xx: fix reference leak to master in s3c64xx_spi_remove()
2013-11-15 7:54 [PATCH] spi: s3c64xx: fix reference leak to master in s3c64xx_spi_remove() Wei Yongjun
@ 2013-11-15 10:34 ` Mark Brown
0 siblings, 0 replies; 2+ messages in thread
From: Mark Brown @ 2013-11-15 10:34 UTC (permalink / raw)
To: Wei Yongjun
Cc: ben-linux, kgene.kim, grant.likely, rob.herring, jg1.han,
yongjun_wei, linux-arm-kernel, linux-samsung-soc, linux-spi
[-- Attachment #1: Type: text/plain, Size: 355 bytes --]
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.
[-- Attachment #2: Digital signature --]
[-- Type: application/pgp-signature, Size: 836 bytes --]
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2013-11-15 10:34 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2013-11-15 7:54 [PATCH] spi: s3c64xx: fix reference leak to master in s3c64xx_spi_remove() Wei Yongjun
2013-11-15 10:34 ` Mark Brown
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).