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* [PATCH] scsi: ufs: ufs-mediatek : Fix NULL vs IS_ERR checking in ufs_mtk_init_va09_pwr_ctrl
@ 2021-12-22  6:24 ` Miaoqian Lin
  0 siblings, 0 replies; 12+ messages in thread
From: Miaoqian Lin @ 2021-12-22  6:24 UTC (permalink / raw)
  Cc: linmq006, Stanley Chu, Alim Akhtar, Avri Altman,
	James E.J. Bottomley, Martin K. Petersen, Matthias Brugger,
	linux-scsi, linux-mediatek, linux-kernel, linux-arm-kernel

The function regulator_get() return error pointer,
use IS_ERR() to check if has error.

Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
---
 drivers/scsi/ufs/ufs-mediatek.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/ufs/ufs-mediatek.c b/drivers/scsi/ufs/ufs-mediatek.c
index 5393b5c9dd9c..86a938075f30 100644
--- a/drivers/scsi/ufs/ufs-mediatek.c
+++ b/drivers/scsi/ufs/ufs-mediatek.c
@@ -557,7 +557,7 @@ static void ufs_mtk_init_va09_pwr_ctrl(struct ufs_hba *hba)
 	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
 
 	host->reg_va09 = regulator_get(hba->dev, "va09");
-	if (!host->reg_va09)
+	if (IS_ERR(host->reg_va09))
 		dev_info(hba->dev, "failed to get va09");
 	else
 		host->caps |= UFS_MTK_CAP_VA09_PWR_CTRL;
-- 
2.17.1


^ permalink raw reply related	[flat|nested] 12+ messages in thread

* [PATCH] scsi: ufs: ufs-mediatek : Fix NULL vs IS_ERR checking in ufs_mtk_init_va09_pwr_ctrl
@ 2021-12-22  6:24 ` Miaoqian Lin
  0 siblings, 0 replies; 12+ messages in thread
From: Miaoqian Lin @ 2021-12-22  6:24 UTC (permalink / raw)
  Cc: linmq006, Stanley Chu, Alim Akhtar, Avri Altman,
	James E.J. Bottomley, Martin K. Petersen, Matthias Brugger,
	linux-scsi, linux-mediatek, linux-kernel, linux-arm-kernel

The function regulator_get() return error pointer,
use IS_ERR() to check if has error.

Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
---
 drivers/scsi/ufs/ufs-mediatek.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/ufs/ufs-mediatek.c b/drivers/scsi/ufs/ufs-mediatek.c
index 5393b5c9dd9c..86a938075f30 100644
--- a/drivers/scsi/ufs/ufs-mediatek.c
+++ b/drivers/scsi/ufs/ufs-mediatek.c
@@ -557,7 +557,7 @@ static void ufs_mtk_init_va09_pwr_ctrl(struct ufs_hba *hba)
 	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
 
 	host->reg_va09 = regulator_get(hba->dev, "va09");
-	if (!host->reg_va09)
+	if (IS_ERR(host->reg_va09))
 		dev_info(hba->dev, "failed to get va09");
 	else
 		host->caps |= UFS_MTK_CAP_VA09_PWR_CTRL;
-- 
2.17.1


_______________________________________________
Linux-mediatek mailing list
Linux-mediatek@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-mediatek

^ permalink raw reply related	[flat|nested] 12+ messages in thread

* [PATCH] scsi: ufs: ufs-mediatek : Fix NULL vs IS_ERR checking in ufs_mtk_init_va09_pwr_ctrl
@ 2021-12-22  6:24 ` Miaoqian Lin
  0 siblings, 0 replies; 12+ messages in thread
From: Miaoqian Lin @ 2021-12-22  6:24 UTC (permalink / raw)
  Cc: linmq006, Stanley Chu, Alim Akhtar, Avri Altman,
	James E.J. Bottomley, Martin K. Petersen, Matthias Brugger,
	linux-scsi, linux-mediatek, linux-kernel, linux-arm-kernel

The function regulator_get() return error pointer,
use IS_ERR() to check if has error.

Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
---
 drivers/scsi/ufs/ufs-mediatek.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/ufs/ufs-mediatek.c b/drivers/scsi/ufs/ufs-mediatek.c
index 5393b5c9dd9c..86a938075f30 100644
--- a/drivers/scsi/ufs/ufs-mediatek.c
+++ b/drivers/scsi/ufs/ufs-mediatek.c
@@ -557,7 +557,7 @@ static void ufs_mtk_init_va09_pwr_ctrl(struct ufs_hba *hba)
 	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
 
 	host->reg_va09 = regulator_get(hba->dev, "va09");
-	if (!host->reg_va09)
+	if (IS_ERR(host->reg_va09))
 		dev_info(hba->dev, "failed to get va09");
 	else
 		host->caps |= UFS_MTK_CAP_VA09_PWR_CTRL;
-- 
2.17.1


_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

^ permalink raw reply related	[flat|nested] 12+ messages in thread

* Re: [PATCH] scsi: ufs: ufs-mediatek : Fix NULL vs IS_ERR checking in ufs_mtk_init_va09_pwr_ctrl
  2021-12-22  6:24 ` Miaoqian Lin
  (?)
@ 2021-12-22  6:48   ` Chen-Yu Tsai
  -1 siblings, 0 replies; 12+ messages in thread
From: Chen-Yu Tsai @ 2021-12-22  6:48 UTC (permalink / raw)
  To: Miaoqian Lin
  Cc: Stanley Chu, Alim Akhtar, Avri Altman, James E.J. Bottomley,
	Martin K. Petersen, Matthias Brugger, linux-scsi, linux-mediatek,
	linux-kernel, linux-arm-kernel

On Wed, Dec 22, 2021 at 2:25 PM Miaoqian Lin <linmq006@gmail.com> wrote:
>
> The function regulator_get() return error pointer,
> use IS_ERR() to check if has error.
>
> Signed-off-by: Miaoqian Lin <linmq006@gmail.com>

Please add

Fixes: cf137b3ea49a ("scsi: ufs-mediatek: Support VA09 regulator operations")

so that the patch has a chance to get picked into stable.

^ permalink raw reply	[flat|nested] 12+ messages in thread

* Re: [PATCH] scsi: ufs: ufs-mediatek : Fix NULL vs IS_ERR checking in ufs_mtk_init_va09_pwr_ctrl
@ 2021-12-22  6:48   ` Chen-Yu Tsai
  0 siblings, 0 replies; 12+ messages in thread
From: Chen-Yu Tsai @ 2021-12-22  6:48 UTC (permalink / raw)
  To: Miaoqian Lin
  Cc: Stanley Chu, Alim Akhtar, Avri Altman, James E.J. Bottomley,
	Martin K. Petersen, Matthias Brugger, linux-scsi, linux-mediatek,
	linux-kernel, linux-arm-kernel

On Wed, Dec 22, 2021 at 2:25 PM Miaoqian Lin <linmq006@gmail.com> wrote:
>
> The function regulator_get() return error pointer,
> use IS_ERR() to check if has error.
>
> Signed-off-by: Miaoqian Lin <linmq006@gmail.com>

Please add

Fixes: cf137b3ea49a ("scsi: ufs-mediatek: Support VA09 regulator operations")

so that the patch has a chance to get picked into stable.

_______________________________________________
Linux-mediatek mailing list
Linux-mediatek@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-mediatek

^ permalink raw reply	[flat|nested] 12+ messages in thread

* Re: [PATCH] scsi: ufs: ufs-mediatek : Fix NULL vs IS_ERR checking in ufs_mtk_init_va09_pwr_ctrl
@ 2021-12-22  6:48   ` Chen-Yu Tsai
  0 siblings, 0 replies; 12+ messages in thread
From: Chen-Yu Tsai @ 2021-12-22  6:48 UTC (permalink / raw)
  To: Miaoqian Lin
  Cc: Stanley Chu, Alim Akhtar, Avri Altman, James E.J. Bottomley,
	Martin K. Petersen, Matthias Brugger, linux-scsi, linux-mediatek,
	linux-kernel, linux-arm-kernel

On Wed, Dec 22, 2021 at 2:25 PM Miaoqian Lin <linmq006@gmail.com> wrote:
>
> The function regulator_get() return error pointer,
> use IS_ERR() to check if has error.
>
> Signed-off-by: Miaoqian Lin <linmq006@gmail.com>

Please add

Fixes: cf137b3ea49a ("scsi: ufs-mediatek: Support VA09 regulator operations")

so that the patch has a chance to get picked into stable.

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

^ permalink raw reply	[flat|nested] 12+ messages in thread

* [PATCH v2] scsi: ufs: ufs-mediatek : Fix NULL vs IS_ERR checking in ufs_mtk_init_va09_pwr_ctrl
  2021-12-22  6:48   ` Chen-Yu Tsai
  (?)
@ 2021-12-22  7:09     ` Miaoqian Lin
  -1 siblings, 0 replies; 12+ messages in thread
From: Miaoqian Lin @ 2021-12-22  7:09 UTC (permalink / raw)
  Cc: linmq006, Stanley Chu, Alim Akhtar, Avri Altman,
	James E.J. Bottomley, Martin K. Petersen, Matthias Brugger,
	linux-scsi, linux-mediatek, linux-kernel, linux-arm-kernel

The function regulator_get() return error pointer,
use IS_ERR() to check if has error.

Fixes: cf137b3ea49a ("scsi: ufs-mediatek: Support VA09 regulator operations")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
---
 drivers/scsi/ufs/ufs-mediatek.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/ufs/ufs-mediatek.c b/drivers/scsi/ufs/ufs-mediatek.c
index 5393b5c9dd9c..86a938075f30 100644
--- a/drivers/scsi/ufs/ufs-mediatek.c
+++ b/drivers/scsi/ufs/ufs-mediatek.c
@@ -557,7 +557,7 @@ static void ufs_mtk_init_va09_pwr_ctrl(struct ufs_hba *hba)
 	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
 
 	host->reg_va09 = regulator_get(hba->dev, "va09");
-	if (!host->reg_va09)
+	if (IS_ERR(host->reg_va09))
 		dev_info(hba->dev, "failed to get va09");
 	else
 		host->caps |= UFS_MTK_CAP_VA09_PWR_CTRL;
-- 
2.17.1


^ permalink raw reply related	[flat|nested] 12+ messages in thread

* [PATCH v2] scsi: ufs: ufs-mediatek : Fix NULL vs IS_ERR checking in ufs_mtk_init_va09_pwr_ctrl
@ 2021-12-22  7:09     ` Miaoqian Lin
  0 siblings, 0 replies; 12+ messages in thread
From: Miaoqian Lin @ 2021-12-22  7:09 UTC (permalink / raw)
  Cc: linmq006, Stanley Chu, Alim Akhtar, Avri Altman,
	James E.J. Bottomley, Martin K. Petersen, Matthias Brugger,
	linux-scsi, linux-mediatek, linux-kernel, linux-arm-kernel

The function regulator_get() return error pointer,
use IS_ERR() to check if has error.

Fixes: cf137b3ea49a ("scsi: ufs-mediatek: Support VA09 regulator operations")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
---
 drivers/scsi/ufs/ufs-mediatek.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/ufs/ufs-mediatek.c b/drivers/scsi/ufs/ufs-mediatek.c
index 5393b5c9dd9c..86a938075f30 100644
--- a/drivers/scsi/ufs/ufs-mediatek.c
+++ b/drivers/scsi/ufs/ufs-mediatek.c
@@ -557,7 +557,7 @@ static void ufs_mtk_init_va09_pwr_ctrl(struct ufs_hba *hba)
 	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
 
 	host->reg_va09 = regulator_get(hba->dev, "va09");
-	if (!host->reg_va09)
+	if (IS_ERR(host->reg_va09))
 		dev_info(hba->dev, "failed to get va09");
 	else
 		host->caps |= UFS_MTK_CAP_VA09_PWR_CTRL;
-- 
2.17.1


_______________________________________________
Linux-mediatek mailing list
Linux-mediatek@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-mediatek

^ permalink raw reply related	[flat|nested] 12+ messages in thread

* [PATCH v2] scsi: ufs: ufs-mediatek : Fix NULL vs IS_ERR checking in ufs_mtk_init_va09_pwr_ctrl
@ 2021-12-22  7:09     ` Miaoqian Lin
  0 siblings, 0 replies; 12+ messages in thread
From: Miaoqian Lin @ 2021-12-22  7:09 UTC (permalink / raw)
  Cc: linmq006, Stanley Chu, Alim Akhtar, Avri Altman,
	James E.J. Bottomley, Martin K. Petersen, Matthias Brugger,
	linux-scsi, linux-mediatek, linux-kernel, linux-arm-kernel

The function regulator_get() return error pointer,
use IS_ERR() to check if has error.

Fixes: cf137b3ea49a ("scsi: ufs-mediatek: Support VA09 regulator operations")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
---
 drivers/scsi/ufs/ufs-mediatek.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/ufs/ufs-mediatek.c b/drivers/scsi/ufs/ufs-mediatek.c
index 5393b5c9dd9c..86a938075f30 100644
--- a/drivers/scsi/ufs/ufs-mediatek.c
+++ b/drivers/scsi/ufs/ufs-mediatek.c
@@ -557,7 +557,7 @@ static void ufs_mtk_init_va09_pwr_ctrl(struct ufs_hba *hba)
 	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
 
 	host->reg_va09 = regulator_get(hba->dev, "va09");
-	if (!host->reg_va09)
+	if (IS_ERR(host->reg_va09))
 		dev_info(hba->dev, "failed to get va09");
 	else
 		host->caps |= UFS_MTK_CAP_VA09_PWR_CTRL;
-- 
2.17.1


_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

^ permalink raw reply related	[flat|nested] 12+ messages in thread

* Re: [PATCH v2] scsi: ufs: ufs-mediatek : Fix NULL vs IS_ERR checking in ufs_mtk_init_va09_pwr_ctrl
  2021-12-22  7:09     ` Miaoqian Lin
  (?)
@ 2022-01-19  4:06       ` Martin K. Petersen
  -1 siblings, 0 replies; 12+ messages in thread
From: Martin K. Petersen @ 2022-01-19  4:06 UTC (permalink / raw)
  To: Miaoqian Lin
  Cc: Martin K . Petersen, linux-kernel, Matthias Brugger, linux-scsi,
	Stanley Chu, James E.J. Bottomley, Avri Altman, Alim Akhtar,
	linux-arm-kernel, linux-mediatek

On Wed, 22 Dec 2021 07:09:30 +0000, Miaoqian Lin wrote:

> The function regulator_get() return error pointer,
> use IS_ERR() to check if has error.
> 
> 

Applied to 5.17/scsi-queue, thanks!

[1/1] scsi: ufs: ufs-mediatek : Fix NULL vs IS_ERR checking in ufs_mtk_init_va09_pwr_ctrl
      https://git.kernel.org/mkp/scsi/c/3ba880a12df5

-- 
Martin K. Petersen	Oracle Linux Engineering

^ permalink raw reply	[flat|nested] 12+ messages in thread

* Re: [PATCH v2] scsi: ufs: ufs-mediatek : Fix NULL vs IS_ERR checking in ufs_mtk_init_va09_pwr_ctrl
@ 2022-01-19  4:06       ` Martin K. Petersen
  0 siblings, 0 replies; 12+ messages in thread
From: Martin K. Petersen @ 2022-01-19  4:06 UTC (permalink / raw)
  To: Miaoqian Lin
  Cc: Martin K . Petersen, linux-kernel, Matthias Brugger, linux-scsi,
	Stanley Chu, James E.J. Bottomley, Avri Altman, Alim Akhtar,
	linux-arm-kernel, linux-mediatek

On Wed, 22 Dec 2021 07:09:30 +0000, Miaoqian Lin wrote:

> The function regulator_get() return error pointer,
> use IS_ERR() to check if has error.
> 
> 

Applied to 5.17/scsi-queue, thanks!

[1/1] scsi: ufs: ufs-mediatek : Fix NULL vs IS_ERR checking in ufs_mtk_init_va09_pwr_ctrl
      https://git.kernel.org/mkp/scsi/c/3ba880a12df5

-- 
Martin K. Petersen	Oracle Linux Engineering

_______________________________________________
Linux-mediatek mailing list
Linux-mediatek@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-mediatek

^ permalink raw reply	[flat|nested] 12+ messages in thread

* Re: [PATCH v2] scsi: ufs: ufs-mediatek : Fix NULL vs IS_ERR checking in ufs_mtk_init_va09_pwr_ctrl
@ 2022-01-19  4:06       ` Martin K. Petersen
  0 siblings, 0 replies; 12+ messages in thread
From: Martin K. Petersen @ 2022-01-19  4:06 UTC (permalink / raw)
  To: Miaoqian Lin
  Cc: Martin K . Petersen, linux-kernel, Matthias Brugger, linux-scsi,
	Stanley Chu, James E.J. Bottomley, Avri Altman, Alim Akhtar,
	linux-arm-kernel, linux-mediatek

On Wed, 22 Dec 2021 07:09:30 +0000, Miaoqian Lin wrote:

> The function regulator_get() return error pointer,
> use IS_ERR() to check if has error.
> 
> 

Applied to 5.17/scsi-queue, thanks!

[1/1] scsi: ufs: ufs-mediatek : Fix NULL vs IS_ERR checking in ufs_mtk_init_va09_pwr_ctrl
      https://git.kernel.org/mkp/scsi/c/3ba880a12df5

-- 
Martin K. Petersen	Oracle Linux Engineering

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

^ permalink raw reply	[flat|nested] 12+ messages in thread

end of thread, other threads:[~2022-01-19  4:08 UTC | newest]

Thread overview: 12+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-12-22  6:24 [PATCH] scsi: ufs: ufs-mediatek : Fix NULL vs IS_ERR checking in ufs_mtk_init_va09_pwr_ctrl Miaoqian Lin
2021-12-22  6:24 ` Miaoqian Lin
2021-12-22  6:24 ` Miaoqian Lin
2021-12-22  6:48 ` Chen-Yu Tsai
2021-12-22  6:48   ` Chen-Yu Tsai
2021-12-22  6:48   ` Chen-Yu Tsai
2021-12-22  7:09   ` [PATCH v2] " Miaoqian Lin
2021-12-22  7:09     ` Miaoqian Lin
2021-12-22  7:09     ` Miaoqian Lin
2022-01-19  4:06     ` Martin K. Petersen
2022-01-19  4:06       ` Martin K. Petersen
2022-01-19  4:06       ` Martin K. Petersen

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