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@xxxxxxxxxxxxxx>
---
net/9p/trans_virtio.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c
index fd05c81..de2e950 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];
--
1.7.1
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