All of lore.kernel.org
 help / color / mirror / Atom feed
* [PATCH -next] mtd: docg3: Fix a possible memory leak of mtd->name
@ 2019-01-23  6:59 ` YueHaibing
  0 siblings, 0 replies; 6+ messages in thread
From: YueHaibing @ 2019-01-23  6:59 UTC (permalink / raw)
  To: robert.jarzmik, dwmw2, computersforpeace, bbrezillon,
	marek.vasut, richard
  Cc: linux-kernel, linux-mtd, YueHaibing

In case DOC_CHIPID_G3, mtd->name should be freed in the
err handling path, which is alloced by kasprintf.

Fixes: ae9d4934b2d7 ("mtd: docg3: add multiple floor support")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
---
 drivers/mtd/devices/docg3.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/mtd/devices/docg3.c b/drivers/mtd/devices/docg3.c
index 60ddc38..cbd25f9 100644
--- a/drivers/mtd/devices/docg3.c
+++ b/drivers/mtd/devices/docg3.c
@@ -1867,6 +1867,7 @@ doc_probe_device(struct docg3_cascade *cascade, int floor, struct device *dev)
 
 nomem4:
 	kfree(docg3->bbt);
+	kfree(mtd->name);
 nomem3:
 	kfree(mtd);
 nomem2:
-- 
2.7.0



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

* [PATCH -next] mtd: docg3: Fix a possible memory leak of mtd->name
@ 2019-01-23  6:59 ` YueHaibing
  0 siblings, 0 replies; 6+ messages in thread
From: YueHaibing @ 2019-01-23  6:59 UTC (permalink / raw)
  To: robert.jarzmik, dwmw2, computersforpeace, bbrezillon,
	marek.vasut, richard
  Cc: YueHaibing, linux-mtd, linux-kernel

In case DOC_CHIPID_G3, mtd->name should be freed in the
err handling path, which is alloced by kasprintf.

Fixes: ae9d4934b2d7 ("mtd: docg3: add multiple floor support")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
---
 drivers/mtd/devices/docg3.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/mtd/devices/docg3.c b/drivers/mtd/devices/docg3.c
index 60ddc38..cbd25f9 100644
--- a/drivers/mtd/devices/docg3.c
+++ b/drivers/mtd/devices/docg3.c
@@ -1867,6 +1867,7 @@ doc_probe_device(struct docg3_cascade *cascade, int floor, struct device *dev)
 
 nomem4:
 	kfree(docg3->bbt);
+	kfree(mtd->name);
 nomem3:
 	kfree(mtd);
 nomem2:
-- 
2.7.0



______________________________________________________
Linux MTD discussion mailing list
http://lists.infradead.org/mailman/listinfo/linux-mtd/

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

* Re: [PATCH -next] mtd: docg3: Fix a possible memory leak of mtd->name
  2019-01-23  6:59 ` YueHaibing
@ 2019-01-23  8:46   ` Boris Brezillon
  -1 siblings, 0 replies; 6+ messages in thread
From: Boris Brezillon @ 2019-01-23  8:46 UTC (permalink / raw)
  To: YueHaibing
  Cc: robert.jarzmik, dwmw2, computersforpeace, marek.vasut, richard,
	linux-kernel, linux-mtd

On Wed, 23 Jan 2019 14:59:43 +0800
YueHaibing <yuehaibing@huawei.com> wrote:

> In case DOC_CHIPID_G3, mtd->name should be freed in the
> err handling path, which is alloced by kasprintf.
> 
> Fixes: ae9d4934b2d7 ("mtd: docg3: add multiple floor support")
> Signed-off-by: YueHaibing <yuehaibing@huawei.com>
> ---
>  drivers/mtd/devices/docg3.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/mtd/devices/docg3.c b/drivers/mtd/devices/docg3.c
> index 60ddc38..cbd25f9 100644
> --- a/drivers/mtd/devices/docg3.c
> +++ b/drivers/mtd/devices/docg3.c
> @@ -1867,6 +1867,7 @@ doc_probe_device(struct docg3_cascade *cascade, int floor, struct device *dev)
>  
>  nomem4:
>  	kfree(docg3->bbt);
> +	kfree(mtd->name);

Please use devm_kasprintf() instead.

>  nomem3:
>  	kfree(mtd);
>  nomem2:


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

* Re: [PATCH -next] mtd: docg3: Fix a possible memory leak of mtd->name
@ 2019-01-23  8:46   ` Boris Brezillon
  0 siblings, 0 replies; 6+ messages in thread
From: Boris Brezillon @ 2019-01-23  8:46 UTC (permalink / raw)
  To: YueHaibing
  Cc: robert.jarzmik, linux-kernel, marek.vasut, linux-mtd, richard,
	computersforpeace, dwmw2

On Wed, 23 Jan 2019 14:59:43 +0800
YueHaibing <yuehaibing@huawei.com> wrote:

> In case DOC_CHIPID_G3, mtd->name should be freed in the
> err handling path, which is alloced by kasprintf.
> 
> Fixes: ae9d4934b2d7 ("mtd: docg3: add multiple floor support")
> Signed-off-by: YueHaibing <yuehaibing@huawei.com>
> ---
>  drivers/mtd/devices/docg3.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/mtd/devices/docg3.c b/drivers/mtd/devices/docg3.c
> index 60ddc38..cbd25f9 100644
> --- a/drivers/mtd/devices/docg3.c
> +++ b/drivers/mtd/devices/docg3.c
> @@ -1867,6 +1867,7 @@ doc_probe_device(struct docg3_cascade *cascade, int floor, struct device *dev)
>  
>  nomem4:
>  	kfree(docg3->bbt);
> +	kfree(mtd->name);

Please use devm_kasprintf() instead.

>  nomem3:
>  	kfree(mtd);
>  nomem2:


______________________________________________________
Linux MTD discussion mailing list
http://lists.infradead.org/mailman/listinfo/linux-mtd/

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

* Re: [PATCH -next] mtd: docg3: Fix a possible memory leak of mtd->name
  2019-01-23  8:46   ` Boris Brezillon
@ 2019-01-23  8:54     ` YueHaibing
  -1 siblings, 0 replies; 6+ messages in thread
From: YueHaibing @ 2019-01-23  8:54 UTC (permalink / raw)
  To: Boris Brezillon
  Cc: robert.jarzmik, dwmw2, computersforpeace, marek.vasut, richard,
	linux-kernel, linux-mtd

On 2019/1/23 16:46, Boris Brezillon wrote:
> On Wed, 23 Jan 2019 14:59:43 +0800
> YueHaibing <yuehaibing@huawei.com> wrote:
> 
>> In case DOC_CHIPID_G3, mtd->name should be freed in the
>> err handling path, which is alloced by kasprintf.
>>
>> Fixes: ae9d4934b2d7 ("mtd: docg3: add multiple floor support")
>> Signed-off-by: YueHaibing <yuehaibing@huawei.com>
>> ---
>>  drivers/mtd/devices/docg3.c | 1 +
>>  1 file changed, 1 insertion(+)
>>
>> diff --git a/drivers/mtd/devices/docg3.c b/drivers/mtd/devices/docg3.c
>> index 60ddc38..cbd25f9 100644
>> --- a/drivers/mtd/devices/docg3.c
>> +++ b/drivers/mtd/devices/docg3.c
>> @@ -1867,6 +1867,7 @@ doc_probe_device(struct docg3_cascade *cascade, int floor, struct device *dev)
>>  
>>  nomem4:
>>  	kfree(docg3->bbt);
>> +	kfree(mtd->name);
> 
> Please use devm_kasprintf() instead.

Ok, will do it in v2.

> 
>>  nomem3:
>>  	kfree(mtd);
>>  nomem2:
> 
> 
> .
> 


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

* Re: [PATCH -next] mtd: docg3: Fix a possible memory leak of mtd->name
@ 2019-01-23  8:54     ` YueHaibing
  0 siblings, 0 replies; 6+ messages in thread
From: YueHaibing @ 2019-01-23  8:54 UTC (permalink / raw)
  To: Boris Brezillon
  Cc: robert.jarzmik, linux-kernel, marek.vasut, linux-mtd, richard,
	computersforpeace, dwmw2

On 2019/1/23 16:46, Boris Brezillon wrote:
> On Wed, 23 Jan 2019 14:59:43 +0800
> YueHaibing <yuehaibing@huawei.com> wrote:
> 
>> In case DOC_CHIPID_G3, mtd->name should be freed in the
>> err handling path, which is alloced by kasprintf.
>>
>> Fixes: ae9d4934b2d7 ("mtd: docg3: add multiple floor support")
>> Signed-off-by: YueHaibing <yuehaibing@huawei.com>
>> ---
>>  drivers/mtd/devices/docg3.c | 1 +
>>  1 file changed, 1 insertion(+)
>>
>> diff --git a/drivers/mtd/devices/docg3.c b/drivers/mtd/devices/docg3.c
>> index 60ddc38..cbd25f9 100644
>> --- a/drivers/mtd/devices/docg3.c
>> +++ b/drivers/mtd/devices/docg3.c
>> @@ -1867,6 +1867,7 @@ doc_probe_device(struct docg3_cascade *cascade, int floor, struct device *dev)
>>  
>>  nomem4:
>>  	kfree(docg3->bbt);
>> +	kfree(mtd->name);
> 
> Please use devm_kasprintf() instead.

Ok, will do it in v2.

> 
>>  nomem3:
>>  	kfree(mtd);
>>  nomem2:
> 
> 
> .
> 


______________________________________________________
Linux MTD discussion mailing list
http://lists.infradead.org/mailman/listinfo/linux-mtd/

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

end of thread, other threads:[~2019-01-23  8:54 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-01-23  6:59 [PATCH -next] mtd: docg3: Fix a possible memory leak of mtd->name YueHaibing
2019-01-23  6:59 ` YueHaibing
2019-01-23  8:46 ` Boris Brezillon
2019-01-23  8:46   ` Boris Brezillon
2019-01-23  8:54   ` YueHaibing
2019-01-23  8:54     ` YueHaibing

This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.