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

From: David Miller
Date: Thu Oct 13 2016 - 11:13:38 EST


From: Arnd Bergmann <arnd@xxxxxxxx>
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@xxxxxxxx>

Applied, thanks.