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* [PATCH] slimbus: core: use put_device() instead of kfree()
@ 2018-03-09 14:09 srinivas.kandagatla
  0 siblings, 0 replies; 3+ messages in thread
From: srinivas.kandagatla @ 2018-03-09 14:09 UTC (permalink / raw)
  To: gregkh; +Cc: linux-kernel, srinivas.kandagatla, Arvind Yadav

From: Arvind Yadav <arvind.yadav.cs@gmail.com>

Never directly free @dev after calling device_register(), even
if it returned an error! Always use put_device() to give up the
reference initialized.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
---
Hi Greg, 
Can you pick this single slimbus patch for 4.17 merge cycle.

Thanks,
srini

 drivers/slimbus/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/slimbus/core.c b/drivers/slimbus/core.c
index 4988a8f4d905..7ddfc675b131 100644
--- a/drivers/slimbus/core.c
+++ b/drivers/slimbus/core.c
@@ -141,7 +141,7 @@ static struct slim_device *slim_alloc_device(struct slim_controller *ctrl,
 	sbdev->e_addr = *eaddr;
 	ret = slim_add_device(ctrl, sbdev, node);
 	if (ret) {
-		kfree(sbdev);
+		put_device(&sbdev->dev);
 		return NULL;
 	}
 
-- 
2.15.1

^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH] slimbus: core: use put_device() instead of kfree()
  2018-03-07 10:22 Arvind Yadav
@ 2018-03-07 10:45 ` Srinivas Kandagatla
  0 siblings, 0 replies; 3+ messages in thread
From: Srinivas Kandagatla @ 2018-03-07 10:45 UTC (permalink / raw)
  To: Arvind Yadav, broonie, gregkh; +Cc: linux-kernel, alsa-devel



On 07/03/18 10:22, Arvind Yadav wrote:
> Never directly free @dev after calling device_register(), even
> if it returned an error! Always use put_device() to give up the
> reference initialized.
> 
> Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
> ---
>   drivers/slimbus/core.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
Looks good for me,

Will queue it up.

> diff --git a/drivers/slimbus/core.c b/drivers/slimbus/core.c
> index 4988a8f..7ddfc67 100644
> --- a/drivers/slimbus/core.c
> +++ b/drivers/slimbus/core.c
> @@ -141,7 +141,7 @@ static struct slim_device *slim_alloc_device(struct slim_controller *ctrl,
>   	sbdev->e_addr = *eaddr;
>   	ret = slim_add_device(ctrl, sbdev, node);
>   	if (ret) {
> -		kfree(sbdev);
> +		put_device(&sbdev->dev);
>   		return NULL;
>   	}
>   
> 

thanks,
srini

^ permalink raw reply	[flat|nested] 3+ messages in thread

* [PATCH] slimbus: core: use put_device() instead of kfree()
@ 2018-03-07 10:22 Arvind Yadav
  2018-03-07 10:45 ` Srinivas Kandagatla
  0 siblings, 1 reply; 3+ messages in thread
From: Arvind Yadav @ 2018-03-07 10:22 UTC (permalink / raw)
  To: srinivas.kandagatla, broonie, gregkh; +Cc: linux-kernel, alsa-devel

Never directly free @dev after calling device_register(), even
if it returned an error! Always use put_device() to give up the
reference initialized.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
---
 drivers/slimbus/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/slimbus/core.c b/drivers/slimbus/core.c
index 4988a8f..7ddfc67 100644
--- a/drivers/slimbus/core.c
+++ b/drivers/slimbus/core.c
@@ -141,7 +141,7 @@ static struct slim_device *slim_alloc_device(struct slim_controller *ctrl,
 	sbdev->e_addr = *eaddr;
 	ret = slim_add_device(ctrl, sbdev, node);
 	if (ret) {
-		kfree(sbdev);
+		put_device(&sbdev->dev);
 		return NULL;
 	}
 
-- 
1.9.1

^ permalink raw reply related	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2018-03-09 14:09 UTC | newest]

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2018-03-07 10:22 Arvind Yadav
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