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net: change type of virtio_chan->p9_max_pages

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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>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Zhang Yanfei 2013-02-22 16:35:49 -08:00 committed by Linus Torvalds
parent b21e0b90cc
commit 7293bfba03
1 changed files with 1 additions and 1 deletions
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net/9p/trans_virtio.c
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@ -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];