From: Fuyun Liang Date: Fri, 6 Jul 2018 10:27:59 +0000 (+0100) Subject: net: hns3: Fix for mailbox message truncated problem X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=ead5bd4d35c0a14d5ce1474177718c678dff5205;p=openwrt%2Fstaging%2Fblogic.git net: hns3: Fix for mailbox message truncated problem The payload of mailbox message is 16 byte and the value of HCLGE_MBX_MAX_ARQ_MSG_SIZE is 8. A message truncated problem will happen when mailbox message is converted to ARQ message. This patch replaces HCLGE_MBX_MAX_ARQ_MSG_SIZE with the size of ARQ message in hclgevf_mbx_handler to fix this problem. Fixes: b11a0bb231f3 ("net: hns3: Add mailbox support to VF driver") Signed-off-by: Fuyun Liang Signed-off-by: Peng Li Signed-off-by: Salil Mehta Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c index 173ca27957ef..e9d5a4f96304 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c @@ -208,7 +208,8 @@ void hclgevf_mbx_handler(struct hclgevf_dev *hdev) /* tail the async message in arq */ msg_q = hdev->arq.msg_q[hdev->arq.tail]; - memcpy(&msg_q[0], req->msg, HCLGE_MBX_MAX_ARQ_MSG_SIZE); + memcpy(&msg_q[0], req->msg, + HCLGE_MBX_MAX_ARQ_MSG_SIZE * sizeof(u16)); hclge_mbx_tail_ptr_move_arq(hdev->arq); hdev->arq.count++;