netdev - Re: [patch net-next 3/7] mlxfw: Propagate error messages through extack

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Date:   Fri, 24 May 2019 08:54:46 -0700
From:   Jakub Kicinski <jakub.kicinski@...ronome.com>
To:     Jiri Pirko <jiri@...nulli.us>
Cc:     David Ahern <dsahern@...il.com>, netdev@...r.kernel.org,
        davem@...emloft.net, mlxsw@...lanox.com, sthemmin@...rosoft.com,
        saeedm@...lanox.com, leon@...nel.org
Subject: Re: [patch net-next 3/7] mlxfw: Propagate error messages through
 extack

On Fri, 24 May 2019 10:11:10 +0200, Jiri Pirko wrote:
> Thu, May 23, 2019 at 05:19:46PM CEST, dsahern@...il.com wrote:
> >On 5/23/19 3:45 AM, Jiri Pirko wrote:  
> >> @@ -57,11 +58,13 @@ static int mlxfw_fsm_state_wait(struct mlxfw_dev *mlxfw_dev, u32 fwhandle,
> >>  	if (fsm_state_err != MLXFW_FSM_STATE_ERR_OK) {
> >>  		pr_err("Firmware flash failed: %s\n",
> >>  		       mlxfw_fsm_state_err_str[fsm_state_err]);
> >> +		NL_SET_ERR_MSG_MOD(extack, "Firmware flash failed");
> >>  		return -EINVAL;
> >>  	}
> >>  	if (curr_fsm_state != fsm_state) {
> >>  		if (--times == 0) {
> >>  			pr_err("Timeout reached on FSM state change");
> >> +			NL_SET_ERR_MSG_MOD(extack, "Timeout reached on FSM state change");  
> >
> >FSM? Is the meaning obvious to users?  
> 
> It is specific to mlx drivers.

What does it stand for?  Isn't it just Finite State Machine?