From: Tan Xiaojun Date: Wed, 4 Apr 2018 09:40:48 +0000 (+0800) Subject: net: hns3: fix length overflow when CONFIG_ARM64_64K_PAGES X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=48d154e7f56ed03c61a02436e86d25e6b37c0256;p=linux.git net: hns3: fix length 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 is u16, it will overflow. So change it to u32. Signed-off-by: Tan Xiaojun Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h index 9e4cfbbf8dcd9..98cdbd3a1163d 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;