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* [PATCH] slimbus: qcom: fix error check return value of platform_get_irq()
@ 2022-04-12  9:02 ` cgel.zte
  0 siblings, 0 replies; 6+ messages in thread
From: cgel.zte @ 2022-04-12  9:02 UTC (permalink / raw)
  To: agross, bjorn.andersson, srinivas.kandagatla
  Cc: alsa-devel, gregkh, Lv Ruyi, Zeal Robot, linux-kernel,
	linux-arm-msm, sdharia

From: Lv Ruyi <lv.ruyi@zte.com.cn>

platform_get_irq() return negative value on failure, so null check of
ctrl->irq is incorrect. Fix it by comparing whether it is less than zero.

Fixes: ad7fcbc308b0 ("slimbus: qcom: Add Qualcomm Slimbus controller driver")
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Lv Ruyi <lv.ruyi@zte.com.cn>
---
 drivers/slimbus/qcom-ctrl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/slimbus/qcom-ctrl.c b/drivers/slimbus/qcom-ctrl.c
index f04b961b96cd..b2f01e155d77 100644
--- a/drivers/slimbus/qcom-ctrl.c
+++ b/drivers/slimbus/qcom-ctrl.c
@@ -510,7 +510,7 @@ static int qcom_slim_probe(struct platform_device *pdev)
 	}
 
 	ctrl->irq = platform_get_irq(pdev, 0);
-	if (!ctrl->irq) {
+	if (ctrl->irq < 0) {
 		dev_err(&pdev->dev, "no slimbus IRQ\n");
 		return -ENODEV;
 	}
-- 
2.25.1


^ permalink raw reply related	[flat|nested] 6+ messages in thread

* [PATCH] slimbus: qcom: fix error check return value of platform_get_irq()
@ 2022-04-12  9:02 ` cgel.zte
  0 siblings, 0 replies; 6+ messages in thread
From: cgel.zte @ 2022-04-12  9:02 UTC (permalink / raw)
  To: agross, bjorn.andersson, srinivas.kandagatla
  Cc: gregkh, sdharia, linux-arm-msm, alsa-devel, linux-kernel,
	Lv Ruyi, Zeal Robot

From: Lv Ruyi <lv.ruyi@zte.com.cn>

platform_get_irq() return negative value on failure, so null check of
ctrl->irq is incorrect. Fix it by comparing whether it is less than zero.

Fixes: ad7fcbc308b0 ("slimbus: qcom: Add Qualcomm Slimbus controller driver")
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Lv Ruyi <lv.ruyi@zte.com.cn>
---
 drivers/slimbus/qcom-ctrl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/slimbus/qcom-ctrl.c b/drivers/slimbus/qcom-ctrl.c
index f04b961b96cd..b2f01e155d77 100644
--- a/drivers/slimbus/qcom-ctrl.c
+++ b/drivers/slimbus/qcom-ctrl.c
@@ -510,7 +510,7 @@ static int qcom_slim_probe(struct platform_device *pdev)
 	}
 
 	ctrl->irq = platform_get_irq(pdev, 0);
-	if (!ctrl->irq) {
+	if (ctrl->irq < 0) {
 		dev_err(&pdev->dev, "no slimbus IRQ\n");
 		return -ENODEV;
 	}
-- 
2.25.1


^ permalink raw reply related	[flat|nested] 6+ messages in thread

* Re: [PATCH] slimbus: qcom: fix error check return value of platform_get_irq()
  2022-04-12  9:02 ` cgel.zte
@ 2022-04-12 14:29   ` Bjorn Andersson
  -1 siblings, 0 replies; 6+ messages in thread
From: Bjorn Andersson @ 2022-04-12 14:29 UTC (permalink / raw)
  To: cgel.zte
  Cc: agross, srinivas.kandagatla, gregkh, sdharia, linux-arm-msm,
	alsa-devel, linux-kernel, Lv Ruyi, Zeal Robot

On Tue 12 Apr 04:02 CDT 2022, cgel.zte@gmail.com wrote:

> From: Lv Ruyi <lv.ruyi@zte.com.cn>
> 
> platform_get_irq() return negative value on failure, so null check of
> ctrl->irq is incorrect. Fix it by comparing whether it is less than zero.
> 
> Fixes: ad7fcbc308b0 ("slimbus: qcom: Add Qualcomm Slimbus controller driver")
> Reported-by: Zeal Robot <zealci@zte.com.cn>
> Signed-off-by: Lv Ruyi <lv.ruyi@zte.com.cn>

Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>

> ---
>  drivers/slimbus/qcom-ctrl.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/slimbus/qcom-ctrl.c b/drivers/slimbus/qcom-ctrl.c
> index f04b961b96cd..b2f01e155d77 100644
> --- a/drivers/slimbus/qcom-ctrl.c
> +++ b/drivers/slimbus/qcom-ctrl.c
> @@ -510,7 +510,7 @@ static int qcom_slim_probe(struct platform_device *pdev)
>  	}
>  
>  	ctrl->irq = platform_get_irq(pdev, 0);
> -	if (!ctrl->irq) {
> +	if (ctrl->irq < 0) {
>  		dev_err(&pdev->dev, "no slimbus IRQ\n");
>  		return -ENODEV;
>  	}
> -- 
> 2.25.1
> 

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [PATCH] slimbus: qcom: fix error check return value of platform_get_irq()
@ 2022-04-12 14:29   ` Bjorn Andersson
  0 siblings, 0 replies; 6+ messages in thread
From: Bjorn Andersson @ 2022-04-12 14:29 UTC (permalink / raw)
  To: cgel.zte
  Cc: alsa-devel, gregkh, Lv Ruyi, Zeal Robot, linux-kernel, agross,
	srinivas.kandagatla, linux-arm-msm, sdharia

On Tue 12 Apr 04:02 CDT 2022, cgel.zte@gmail.com wrote:

> From: Lv Ruyi <lv.ruyi@zte.com.cn>
> 
> platform_get_irq() return negative value on failure, so null check of
> ctrl->irq is incorrect. Fix it by comparing whether it is less than zero.
> 
> Fixes: ad7fcbc308b0 ("slimbus: qcom: Add Qualcomm Slimbus controller driver")
> Reported-by: Zeal Robot <zealci@zte.com.cn>
> Signed-off-by: Lv Ruyi <lv.ruyi@zte.com.cn>

Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>

> ---
>  drivers/slimbus/qcom-ctrl.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/slimbus/qcom-ctrl.c b/drivers/slimbus/qcom-ctrl.c
> index f04b961b96cd..b2f01e155d77 100644
> --- a/drivers/slimbus/qcom-ctrl.c
> +++ b/drivers/slimbus/qcom-ctrl.c
> @@ -510,7 +510,7 @@ static int qcom_slim_probe(struct platform_device *pdev)
>  	}
>  
>  	ctrl->irq = platform_get_irq(pdev, 0);
> -	if (!ctrl->irq) {
> +	if (ctrl->irq < 0) {
>  		dev_err(&pdev->dev, "no slimbus IRQ\n");
>  		return -ENODEV;
>  	}
> -- 
> 2.25.1
> 

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [PATCH] slimbus: qcom: fix error check return value of platform_get_irq()
  2022-04-12  9:02 ` cgel.zte
@ 2022-04-12 15:01   ` Srinivas Kandagatla
  -1 siblings, 0 replies; 6+ messages in thread
From: Srinivas Kandagatla @ 2022-04-12 15:01 UTC (permalink / raw)
  To: cgel.zte, agross, bjorn.andersson
  Cc: gregkh, sdharia, linux-arm-msm, alsa-devel, linux-kernel,
	Lv Ruyi, Zeal Robot



On 12/04/2022 10:02, cgel.zte@gmail.com wrote:
> From: Lv Ruyi <lv.ruyi@zte.com.cn>
> 
> platform_get_irq() return negative value on failure, so null check of
> ctrl->irq is incorrect. Fix it by comparing whether it is less than zero.
> 
> Fixes: ad7fcbc308b0 ("slimbus: qcom: Add Qualcomm Slimbus controller driver")
> Reported-by: Zeal Robot <zealci@zte.com.cn>
> Signed-off-by: Lv Ruyi <lv.ruyi@zte.com.cn>


There was already a patch posted to fix this

 
https://git.kernel.org/pub/scm/linux/kernel/git/srini/slimbus.git/commit/?h=for-next&id=54bf672111eef18819fa6e562f68b2d6c449b05d

--srini
> ---
>   drivers/slimbus/qcom-ctrl.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/slimbus/qcom-ctrl.c b/drivers/slimbus/qcom-ctrl.c
> index f04b961b96cd..b2f01e155d77 100644
> --- a/drivers/slimbus/qcom-ctrl.c
> +++ b/drivers/slimbus/qcom-ctrl.c
> @@ -510,7 +510,7 @@ static int qcom_slim_probe(struct platform_device *pdev)
>   	}
>   
>   	ctrl->irq = platform_get_irq(pdev, 0);
> -	if (!ctrl->irq) {
> +	if (ctrl->irq < 0) {
>   		dev_err(&pdev->dev, "no slimbus IRQ\n");
>   		return -ENODEV;
>   	}

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [PATCH] slimbus: qcom: fix error check return value of platform_get_irq()
@ 2022-04-12 15:01   ` Srinivas Kandagatla
  0 siblings, 0 replies; 6+ messages in thread
From: Srinivas Kandagatla @ 2022-04-12 15:01 UTC (permalink / raw)
  To: cgel.zte, agross, bjorn.andersson
  Cc: alsa-devel, gregkh, Lv Ruyi, Zeal Robot, linux-kernel,
	linux-arm-msm, sdharia



On 12/04/2022 10:02, cgel.zte@gmail.com wrote:
> From: Lv Ruyi <lv.ruyi@zte.com.cn>
> 
> platform_get_irq() return negative value on failure, so null check of
> ctrl->irq is incorrect. Fix it by comparing whether it is less than zero.
> 
> Fixes: ad7fcbc308b0 ("slimbus: qcom: Add Qualcomm Slimbus controller driver")
> Reported-by: Zeal Robot <zealci@zte.com.cn>
> Signed-off-by: Lv Ruyi <lv.ruyi@zte.com.cn>


There was already a patch posted to fix this

 
https://git.kernel.org/pub/scm/linux/kernel/git/srini/slimbus.git/commit/?h=for-next&id=54bf672111eef18819fa6e562f68b2d6c449b05d

--srini
> ---
>   drivers/slimbus/qcom-ctrl.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/slimbus/qcom-ctrl.c b/drivers/slimbus/qcom-ctrl.c
> index f04b961b96cd..b2f01e155d77 100644
> --- a/drivers/slimbus/qcom-ctrl.c
> +++ b/drivers/slimbus/qcom-ctrl.c
> @@ -510,7 +510,7 @@ static int qcom_slim_probe(struct platform_device *pdev)
>   	}
>   
>   	ctrl->irq = platform_get_irq(pdev, 0);
> -	if (!ctrl->irq) {
> +	if (ctrl->irq < 0) {
>   		dev_err(&pdev->dev, "no slimbus IRQ\n");
>   		return -ENODEV;
>   	}

^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2022-04-12 15:02 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-04-12  9:02 [PATCH] slimbus: qcom: fix error check return value of platform_get_irq() cgel.zte
2022-04-12  9:02 ` cgel.zte
2022-04-12 14:29 ` Bjorn Andersson
2022-04-12 14:29   ` Bjorn Andersson
2022-04-12 15:01 ` Srinivas Kandagatla
2022-04-12 15:01   ` Srinivas Kandagatla

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