Re: [PATCH net-next] tun: fix build warnings

[David Miller]

From: Jason Wang <jasowang@xxxxxxxxxx>
Date: Mon,  4 Jul 2016 13:53:38 +0800

> Stephen Rothwell reports a build warnings(powerpc ppc64_defconfig)
> 
> drivers/net/tun.c: In function 'tun_do_read.part.5':
> /home/sfr/next/next/drivers/net/tun.c:1491:6: warning: 'err' may be
> used uninitialized in this function [-Wmaybe-uninitialized]
>    int err;
> 
> This is because tun_ring_recv() may return an uninitialized err, fix this.
> 
> Reported-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> Signed-off-by: Jason Wang <jasowang@xxxxxxxxxx>

Applied, thanks Jason.