From: Zhang Yanfei <zhangyanfei@cn.fujitsu.com>
Date: Thu, 7 Feb 2013 01:27:12 +0000 (+1100)
Subject: net: change type of virtio_chan->p9_max_pages
X-Git-Tag: next-20130218~1^2~310
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=360b7158940130959fc2b284b74b52ff8c416fe4;p=karo-tx-linux.git

net: change type of virtio_chan->p9_max_pages

This member of struct virtio_chan is calculated from nr_free_buffer_pages
so change its type to unsigned long in case of overflow.

Signed-off-by: Zhang Yanfei <zhangyanfei@cn.fujitsu.com>
Cc: David Miller <davem@davemloft.net>
Cc: Eric Van Hensbergen <ericvh@gmail.com>
Cc: Ron Minnich <rminnich@sandia.gov>
Cc: Latchesar Ionkov <lucho@ionkov.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c
index fd05c81cb348..de2e950a0a7a 100644
--- a/net/9p/trans_virtio.c
+++ b/net/9p/trans_virtio.c
@@ -87,7 +87,7 @@ struct virtio_chan {
 	/* This is global limit. Since we don't have a global structure,
 	 * will be placing it in each channel.
 	 */
-	int p9_max_pages;
+	unsigned long p9_max_pages;
 	/* Scatterlist: can be too big for stack. */
 	struct scatterlist sg[VIRTQUEUE_NUM];