linux-kernel - Re: [PATCH] tty: n_gsm: pr_err() strings should end with newlines

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Message-ID: <5b51d07b-9ce8-27d6-a1c6-1113961a456a@gmail.com>
Date:   Mon, 9 Oct 2017 17:32:42 +0530
From:   Arvind Yadav <arvind.yadav.cs@...il.com>
To:     Joe Perches <joe@...ches.com>, gregkh@...uxfoundation.org,
        jslaby@...e.com
Cc:     linux-kernel@...r.kernel.org
Subject: Re: [PATCH] tty: n_gsm: pr_err() strings should end with newlines

Hi,


On Monday 09 October 2017 05:30 PM, Joe Perches wrote:
> On Mon, 2017-10-09 at 17:14 +0530, Arvind Yadav wrote:
>> pr_err() messages should end with a new-line to avoid other messages
>> being concatenated.
> []
>> diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c
> []
>> @@ -2788,7 +2788,7 @@ static int gsm_create_network(struct gsm_dlci *dlci, struct gsm_netconfig *nc)
>>   	net = alloc_netdev(sizeof(struct gsm_mux_net), netname,
>>   			   NET_NAME_UNKNOWN, gsm_mux_net_init);
>>   	if (!net) {
>> -		pr_err("alloc_netdev failed");
>> +		pr_err("alloc_netdev failed\n");
>>   		return -ENOMEM;
>>   	}
>>   	net->mtu = dlci->gsm->mtu;
> You could just delete the pr_err instead.
>
> It's an unnecessary message as there would
> be a dump_stack() on the kvzalloc() in
> alloc_netdev() on any OOM failure.
You are right, We can delete. I will send updated patch.
>
>
~arvind