netdev - Re: [PATCH] xen-netback: fix type mismatch warning

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Date:   Thu, 13 Oct 2016 11:02:44 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     arnd@...db.de
Cc:     wei.liu2@...rix.com, paul.durrant@...rix.com,
        david.vrabel@...rix.com, xen-devel@...ts.xenproject.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] xen-netback: fix type mismatch warning

From: Arnd Bergmann <arnd@...db.de>
Date: Wed, 12 Oct 2016 16:54:01 +0200

> Wiht the latest rework of the xen-netback driver, we get a warning
> on ARM about the types passed into min():
> 
> drivers/net/xen-netback/rx.c: In function 'xenvif_rx_next_chunk':
> include/linux/kernel.h:739:16: error: comparison of distinct pointer types lacks a cast [-Werror]
> 
> The reason is that XEN_PAGE_SIZE is not size_t here. There
> is no actual bug, and we can easily avoid the warning using the
> min_t() macro instead of min().
> 
> Fixes: eb1723a29b9a ("xen-netback: refactor guest rx")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Applied, thanks.