staging: wlan-ng: p80211conv.h: warning I don't understand

[Greg KH]

On Thu, Nov 12, 2015 at 02:33:07AM +0000, Gavin O'Leary wrote:
> Hello all,
> 
> I am new to the realm of linux kernel development. I've been sending in small
> patches to fix check-patch warnings. I was fixing up the file listed in the
> subject when I came across this warning.
> 
> drivers/staging/wlan-ng/p80211conv.c:622: WARNING: Possible unnecessary 'out of
> memory' message
> 
> Source Code:
> 
> if (rxmeta == NULL) {
>                 netdev_err(wlandev->netdev,
>                            "%s: Failed to allocate rxmeta.\n", wlandev->name);
>                 result = 1;
>                 goto exit;
> }
> 
> What is this warning about? How do I go about fixing it?

A "meta" comment, if you don't understand the warning, why would you
want to do anything about it?

thanks,

greg k-h