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

[Dmitry Baryshkov]

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.

> 
> 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
> 

-- 
With best wishes
Dmitry