[PATCH v2 1/2] misc: fastrpc: Deregister device nodes properly in error scenarios

[Anandu Krishnan E]

On 12/23/2024 3:49 PM, Dmitry Baryshkov wrote:
> On Mon, Dec 23, 2024 at 03:31:00PM +0530, Anandu Krishnan E wrote:
>> During fastrpc_rpmsg_probe, if secure device node registration
>> succeeds but non-secure device node registration fails, the secure
>> device node deregister is not called during error cleanup. Add proper
>> exit paths to ensure proper cleanup in case of error.
>>
>> Fixes: 3abe3ab3cdab ("misc: fastrpc: add secure domain support")
>> Cc: stable <stable at kernel.org>
>> Signed-off-by: Anandu Krishnan E <quic_anane at quicinc.com>
>> ---
>>  drivers/misc/fastrpc.c | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> This triggers checkpatch warning. If it is due to c&p from some internal
> documentation, please fix it too.
Understood. I will fix the checkpatch warning in the next spin.

-Anandu
> 
>>
>> diff --git a/drivers/misc/fastrpc.c b/drivers/misc/fastrpc.c
>> index 48d08eeb2d20..ff144f0aa337 100644
>> --- a/drivers/misc/fastrpc.c
>> +++ b/drivers/misc/fastrpc.c
>> @@ -2344,7 +2344,7 @@ static int fastrpc_rpmsg_probe(struct rpmsg_device *rpdev)
>>  
>>  		err = fastrpc_device_register(rdev, data, false, domains[domain_id]);
>>  		if (err)
>> -			goto fdev_error;
>> +			goto populate_error;
>>  		break;
>>  	default:
>>  		err = -EINVAL;
>> -- 
>> 2.17.1
>>
>