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SubjectRe: [PATCH net-next] tun: fix build warnings
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From: Jason Wang <jasowang@redhat.com>
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@canb.auug.org.au>
> Signed-off-by: Jason Wang <jasowang@redhat.com>

Applied, thanks Jason.

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