[PATCH] net: hns3: fix length overflow when CONFIG_ARM64_64K_PAGES

[Tan Xiaojun]

When enable the config item "CONFIG_ARM64_64K_PAGES", the size of PAGE_SIZE
is 65536(64K). But the type of length is u16, it will overflow. So change it
to u32.

Signed-off-by: Tan Xiaojun <tanxiao...@huawei.com>
---
 drivers/net/ethernet/hisilicon/hns3/hns3_enet.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h 
b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h
index 9e4cfbb..98cdbd3 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h
@@ -288,7 +288,7 @@ struct hns3_desc_cb {
        u16 page_offset;
        u16 reuse_flag;
 
-       u16 length;     /* length of the buffer */
+       u32 length;     /* length of the buffer */
 
        /* desc type, used by the ring user to mark the type of the priv data */
        u16 type;
-- 
2.7.4