Re: [PATCH net v2] xdp: xdp_mem_allocator can be NULL in trace_mem_connect().

[Steven Rostedt <rostedt@xxxxxxxxxxx>]

On Wed, 9 Mar 2022 21:47:38 +0100
Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> wrote:

> --- a/net/core/xdp.c
> +++ b/net/core/xdp.c
> @@ -357,7 +357,8 @@ int xdp_rxq_info_reg_mem_model(struct xdp_rxq_info *xdp_rxq,
>  	if (IS_ERR(xdp_alloc))
>  		return PTR_ERR(xdp_alloc);
>  
> -	trace_mem_connect(xdp_alloc, xdp_rxq);
> +	if (xdp_alloc)

Eliminate the check when tracing is disabled:

	if (trace_mem_connect_enabled() && xdp_alloc)

-- Steve


> +		trace_mem_connect(xdp_alloc, xdp_rxq);
>  	return 0;
>  }
>