* [PATCH] scsi: ufs: ufs-mediatek: add put_device() after of_find_device_by_node()
@ 2021-11-10 10:51 cgel.zte
2021-11-11 5:41 ` Peter Wang
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: cgel.zte @ 2021-11-10 10:51 UTC (permalink / raw)
To: stanley.chu
Cc: alim.akhtar, avri.altman, jejb, martin.petersen, matthias.bgg,
linux-scsi, linux-mediatek, linux-kernel, linux-arm-kernel,
Ye Guojin, Zeal Robot
From: Ye Guojin <ye.guojin@zte.com.cn>
This was found by coccicheck:
./drivers/scsi/ufs/ufs-mediatek.c, 211, 1-7, ERROR missing put_device;
call of_find_device_by_node on line 1185, but without a corresponding
object release within this function.
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Ye Guojin <ye.guojin@zte.com.cn>
---
drivers/scsi/ufs/ufs-mediatek.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/scsi/ufs/ufs-mediatek.c b/drivers/scsi/ufs/ufs-mediatek.c
index fc5b214347b3..5393b5c9dd9c 100644
--- a/drivers/scsi/ufs/ufs-mediatek.c
+++ b/drivers/scsi/ufs/ufs-mediatek.c
@@ -1189,6 +1189,7 @@ static int ufs_mtk_probe(struct platform_device *pdev)
}
link = device_link_add(dev, &reset_pdev->dev,
DL_FLAG_AUTOPROBE_CONSUMER);
+ put_device(&reset_pdev->dev);
if (!link) {
dev_notice(dev, "add reset device_link fail\n");
goto skip_reset;
--
2.25.1
^ permalink raw reply [flat|nested] 4+ messages in thread* Re: [PATCH] scsi: ufs: ufs-mediatek: add put_device() after of_find_device_by_node()
2021-11-10 10:51 [PATCH] scsi: ufs: ufs-mediatek: add put_device() after of_find_device_by_node() cgel.zte
@ 2021-11-11 5:41 ` Peter Wang
2021-11-11 5:52 ` Peter Wang
2021-11-19 4:16 ` Martin K. Petersen
2 siblings, 0 replies; 4+ messages in thread
From: Peter Wang @ 2021-11-11 5:41 UTC (permalink / raw)
To: cgel.zte, stanley.chu
Cc: alim.akhtar, avri.altman, jejb, martin.petersen, matthias.bgg,
linux-scsi, linux-mediatek, linux-kernel, linux-arm-kernel,
Ye Guojin, Zeal Robot
On 11/10/21 6:51 PM, cgel.zte@gmail.com wrote:
> From: Ye Guojin <ye.guojin@zte.com.cn>
>
> This was found by coccicheck:
> ./drivers/scsi/ufs/ufs-mediatek.c, 211, 1-7, ERROR missing put_device;
> call of_find_device_by_node on line 1185, but without a corresponding
> object release within this function.
>
> Reported-by: Zeal Robot <zealci@zte.com.cn>
> Signed-off-by: Ye Guojin <ye.guojin@zte.com.cn>
> ---
> drivers/scsi/ufs/ufs-mediatek.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/scsi/ufs/ufs-mediatek.c b/drivers/scsi/ufs/ufs-mediatek.c
> index fc5b214347b3..5393b5c9dd9c 100644
> --- a/drivers/scsi/ufs/ufs-mediatek.c
> +++ b/drivers/scsi/ufs/ufs-mediatek.c
> @@ -1189,6 +1189,7 @@ static int ufs_mtk_probe(struct platform_device *pdev)
> }
> link = device_link_add(dev, &reset_pdev->dev,
> DL_FLAG_AUTOPROBE_CONSUMER);
> + put_device(&reset_pdev->dev);
Thanks for fix this missing.
Reviewed-by: Peter Wang <peter.wang@mediatek.com>
> if (!link) {
> dev_notice(dev, "add reset device_link fail\n");
> goto skip_reset;
^ permalink raw reply [flat|nested] 4+ messages in thread* Re: [PATCH] scsi: ufs: ufs-mediatek: add put_device() after of_find_device_by_node()
2021-11-10 10:51 [PATCH] scsi: ufs: ufs-mediatek: add put_device() after of_find_device_by_node() cgel.zte
2021-11-11 5:41 ` Peter Wang
@ 2021-11-11 5:52 ` Peter Wang
2021-11-19 4:16 ` Martin K. Petersen
2 siblings, 0 replies; 4+ messages in thread
From: Peter Wang @ 2021-11-11 5:52 UTC (permalink / raw)
To: cgel.zte, stanley.chu
Cc: alim.akhtar, avri.altman, jejb, martin.petersen, matthias.bgg,
linux-scsi, linux-mediatek, linux-kernel, linux-arm-kernel,
Ye Guojin, Zeal Robot
On 11/10/21 6:51 PM, cgel.zte@gmail.com wrote:
> From: Ye Guojin <ye.guojin@zte.com.cn>
>
> This was found by coccicheck:
> ./drivers/scsi/ufs/ufs-mediatek.c, 211, 1-7, ERROR missing put_device;
> call of_find_device_by_node on line 1185, but without a corresponding
> object release within this function.
>
> Reported-by: Zeal Robot <zealci@zte.com.cn>
> Signed-off-by: Ye Guojin <ye.guojin@zte.com.cn>
> ---
> drivers/scsi/ufs/ufs-mediatek.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/scsi/ufs/ufs-mediatek.c b/drivers/scsi/ufs/ufs-mediatek.c
> index fc5b214347b3..5393b5c9dd9c 100644
> --- a/drivers/scsi/ufs/ufs-mediatek.c
> +++ b/drivers/scsi/ufs/ufs-mediatek.c
> @@ -1189,6 +1189,7 @@ static int ufs_mtk_probe(struct platform_device *pdev)
> }
> link = device_link_add(dev, &reset_pdev->dev,
> DL_FLAG_AUTOPROBE_CONSUMER);
> + put_device(&reset_pdev->dev);
Thanks for fix this missing.
Reviewed-by: Peter Wang <peter.wang@mediatek.com>
> if (!link) {
> dev_notice(dev, "add reset device_link fail\n");
> goto skip_reset;
^ permalink raw reply [flat|nested] 4+ messages in thread* Re: [PATCH] scsi: ufs: ufs-mediatek: add put_device() after of_find_device_by_node()
2021-11-10 10:51 [PATCH] scsi: ufs: ufs-mediatek: add put_device() after of_find_device_by_node() cgel.zte
2021-11-11 5:41 ` Peter Wang
2021-11-11 5:52 ` Peter Wang
@ 2021-11-19 4:16 ` Martin K. Petersen
2 siblings, 0 replies; 4+ messages in thread
From: Martin K. Petersen @ 2021-11-19 4:16 UTC (permalink / raw)
To: cgel.zte, stanley.chu
Cc: Martin K . Petersen, Ye Guojin, linux-mediatek, alim.akhtar,
jejb, matthias.bgg, linux-arm-kernel, Zeal Robot, avri.altman,
linux-scsi, linux-kernel
On Wed, 10 Nov 2021 10:51:33 +0000, cgel.zte@gmail.com wrote:
> From: Ye Guojin <ye.guojin@zte.com.cn>
>
> This was found by coccicheck:
> ./drivers/scsi/ufs/ufs-mediatek.c, 211, 1-7, ERROR missing put_device;
> call of_find_device_by_node on line 1185, but without a corresponding
> object release within this function.
>
> [...]
Applied to 5.16/scsi-fixes, thanks!
[1/1] scsi: ufs: ufs-mediatek: add put_device() after of_find_device_by_node()
https://git.kernel.org/mkp/scsi/c/cc03facb1c42
--
Martin K. Petersen Oracle Linux Engineering
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2021-11-19 4:17 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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2021-11-10 10:51 [PATCH] scsi: ufs: ufs-mediatek: add put_device() after of_find_device_by_node() cgel.zte
2021-11-11 5:41 ` Peter Wang
2021-11-11 5:52 ` Peter Wang
2021-11-19 4:16 ` Martin K. Petersen
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