Re: [patch] crypto: ccp - Free ccp if initialization fails

From: Gary R Hook
Date: Mon Jun 24 2019 - 10:58:25 EST


On 6/24/19 8:04 AM, Lendacky, Thomas wrote:
> On 6/23/19 2:18 PM, David Rientjes wrote:
>> If ccp_dev_init() fails, kfree() the allocated ccp since it will otherwise
>> be leaked.
>
> Not needed. It's allocated with devm_kzalloc(), so it won't be leaked.
>
> Thanks,
> Tom

Nacked-By: Gary R Hook <gary.hook@xxxxxxx>

>
>>
>> Fixes: 720419f01832 ("crypto: ccp - Introduce the AMD Secure Processor
>> device")
>>
>> Reported-by: Cfir Cohen <cfir@xxxxxxxxxx>
>> Signed-off-by: David Rientjes <rientjes@xxxxxxxxxx>
>> ---
>> drivers/crypto/ccp/ccp-dev.c | 1 +
>> 1 file changed, 1 insertion(+)
>>
>> diff --git a/drivers/crypto/ccp/ccp-dev.c b/drivers/crypto/ccp/ccp-dev.c
>> --- a/drivers/crypto/ccp/ccp-dev.c
>> +++ b/drivers/crypto/ccp/ccp-dev.c
>> @@ -609,6 +609,7 @@ int ccp_dev_init(struct sp_device *sp)
>>
>> e_err:
>> sp->ccp_data = NULL;
>> + kfree(ccp);
>>
>> dev_notice(dev, "ccp initialization failed\n");
>>
>>