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net: hns: fix length and page_offset overflow when CONFIG_ARM64_64K_PAGES

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[ Upstream commit 3ed614dce3ca9912d22be215ff0f11104b69fe62 ]

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>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Huazhong Tan 2018-08-23 11:10:10 +08:00 committed by Greg Kroah-Hartman
parent 644c07d018
commit aa1c657ae2
1 changed files with 3 additions and 3 deletions
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6
drivers/net/ethernet/hisilicon/hns/hnae.h
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@ -171,10 +171,10 @@ 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;