linux-kernel - Re: [PATCH 1/1 net-next] caif_usb: remove redundant memory message

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Message-ID: <1413232466.1287.24.camel@joe-AO725>
Date:	Mon, 13 Oct 2014 13:34:26 -0700
From:	Joe Perches <joe@...ches.com>
To:	Fabian Frederick <fabf@...net.be>
Cc:	linux-kernel@...r.kernel.org,
	Dmitry Tarnyagin <dmitry.tarnyagin@...kless.no>,
	"David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org
Subject: Re: [PATCH 1/1 net-next] caif_usb: remove redundant memory message

On Mon, 2014-10-13 at 22:25 +0200, Fabian Frederick wrote:
> Let MM subsystem display out of memory messages.
[]
> diff --git a/net/caif/caif_usb.c b/net/caif/caif_usb.c
[]
> @@ -87,10 +87,9 @@ static struct cflayer *cfusbl_create(int phyid, u8 ethaddr[ETH_ALEN],
>  {
>  	struct cfusbl *this = kmalloc(sizeof(struct cfusbl), GFP_ATOMIC);
>  
> -	if (!this) {
> -		pr_warn("Out of memory\n");
> +	if (!this)
>  		return NULL;
> -	}
> +
>  	caif_assert(offsetof(struct cfusbl, layer) == 0);
>  
>  	memset(this, 0, sizeof(struct cflayer));

This bit should probably be:

	memset(&this->layer, 0, sizeof(this->layer));

or the allocation above should use kzalloc.


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