Re: [PATCH] optee: Check return value of tee_shm_get_va()

[Sumit Garg]

On Fri, Mar 06, 2026 at 12:52:39PM +0100, Markus Elfring wrote:
> …
> > +++ b/drivers/tee/optee/rpc.c
> > @@ -393,6 +393,11 @@ static void handle_rpc_func_rpmb_frames(struct tee_context *ctx,
> >  			    params[0].u.memref.shm_offs);
> >  	p1 = tee_shm_get_va(params[1].u.memref.shm,
> >  			    params[1].u.memref.shm_offs);
> > +	if (IS_ERR(p0) || IS_ERR(p1)) {
> > +		arg->ret = TEEC_ERROR_BAD_PARAMETERS;
> > +		goto out;
> > +	}
> > +
> >  	if (rpmb_route_frames(rdev, p0, params[0].u.memref.size, p1,
> >  			      params[1].u.memref.size)) {
> >  		arg->ret = TEEC_ERROR_BAD_PARAMETERS;
> …
> 
> How do you think about to use an additional label for the shown
> error code assignment?
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/process/coding-style.rst?h=v7.0-rc2#n526
>

I suppose here you meant to update the label name since it's the same
error type used by other code paths too. So following label rename
should be fine I think as per coding guidelines:

s/out/err_dev_put/

-Sumit