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authorHuazhong Tan <tanhuazhong@huawei.com>2018-08-23 11:10:10 +0800
committerDavid S. Miller <davem@davemloft.net>2018-08-22 21:47:35 -0700
commit3ed614dce3ca9912d22be215ff0f11104b69fe62 (patch)
tree71b486f14d040f96169da28d15a3e2c130eb1d63 /drivers
parent12a7f8696b85aaff3a76cd12a15b101b2af65404 (diff)
downloadlinux-3ed614dce3ca9912d22be215ff0f11104b69fe62.tar.gz
net: hns: fix length and page_offset overflow when CONFIG_ARM64_64K_PAGES
When enable the config item "CONFIG_ARM64_64K_PAGES", the size of PAGE_SIZE
is 65536(64K). But the  type of length and page_offset are u16, they will
overflow. So change them to u32.

Fixes: 6fe6611ff275 ("net: add Hisilicon Network Subsystem hnae framework support")
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/hisilicon/hns/hnae.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns/hnae.h b/drivers/net/ethernet/hisilicon/hns/hnae.h
index fa5b30f547f6..cad52bd331f7 100644
--- a/drivers/net/ethernet/hisilicon/hns/hnae.h
+++ b/drivers/net/ethernet/hisilicon/hns/hnae.h
@@ -220,10 +220,10 @@ struct hnae_desc_cb {
 
 	/* priv data for the desc, e.g. skb when use with ip stack*/
 	void *priv;
-	u16 page_offset;
-	u16 reuse_flag;
+	u32 page_offset;
+	u32 length;     /* length of the buffer */
 
-	u16 length;     /* length of the buffer */
+	u16 reuse_flag;
 
        /* desc type, used by the ring user to mark the type of the priv data */
 	u16 type;