From 3f076effb9adad6a16fafd3cfe33fe530c5d428d Mon Sep 17 00:00:00 2001 From: Mohammed Gamal Date: Thu, 5 Apr 2018 21:09:21 +0200 Subject: [PATCH] hv_netvsc: Pass net_device parameter to revoke and teardown functions The callers to netvsc_revoke_*_buf() and netvsc_teardown_*_gpadl() already have their net_device instances. Pass them as a paramaeter to the function instead of obtaining them from netvsc_device struct everytime Signed-off-by: Mohammed Gamal Signed-off-by: David S. Miller --- drivers/net/hyperv/netvsc.c | 37 ++++++++++++++++++------------------- 1 file changed, 18 insertions(+), 19 deletions(-) diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c index df92c2f..04f611e 100644 --- a/drivers/net/hyperv/netvsc.c +++ b/drivers/net/hyperv/netvsc.c @@ -110,9 +110,9 @@ static void free_netvsc_device_rcu(struct netvsc_device *nvdev) } static void netvsc_revoke_recv_buf(struct hv_device *device, - struct netvsc_device *net_device) + struct netvsc_device *net_device, + struct net_device *ndev) { - struct net_device *ndev = hv_get_drvdata(device); struct nvsp_message *revoke_packet; int ret; @@ -160,9 +160,9 @@ static void netvsc_revoke_recv_buf(struct hv_device *device, } static void netvsc_revoke_send_buf(struct hv_device *device, - struct netvsc_device *net_device) + struct netvsc_device *net_device, + struct net_device *ndev) { - struct net_device *ndev = hv_get_drvdata(device); struct nvsp_message *revoke_packet; int ret; @@ -211,9 +211,9 @@ static void netvsc_revoke_send_buf(struct hv_device *device, } static void netvsc_teardown_recv_gpadl(struct hv_device *device, - struct netvsc_device *net_device) + struct netvsc_device *net_device, + struct net_device *ndev) { - struct net_device *ndev = hv_get_drvdata(device); int ret; if (net_device->recv_buf_gpadl_handle) { @@ -233,9 +233,9 @@ static void netvsc_teardown_recv_gpadl(struct hv_device *device, } static void netvsc_teardown_send_gpadl(struct hv_device *device, - struct netvsc_device *net_device) + struct netvsc_device *net_device, + struct net_device *ndev) { - struct net_device *ndev = hv_get_drvdata(device); int ret; if (net_device->send_buf_gpadl_handle) { @@ -452,10 +452,10 @@ static int netvsc_init_buf(struct hv_device *device, goto exit; cleanup: - netvsc_revoke_recv_buf(device, net_device); - netvsc_revoke_send_buf(device, net_device); - netvsc_teardown_recv_gpadl(device, net_device); - netvsc_teardown_send_gpadl(device, net_device); + netvsc_revoke_recv_buf(device, net_device, ndev); + netvsc_revoke_send_buf(device, net_device, ndev); + netvsc_teardown_recv_gpadl(device, net_device, ndev); + netvsc_teardown_send_gpadl(device, net_device, ndev); exit: return ret; @@ -474,7 +474,6 @@ static int negotiate_nvsp_ver(struct hv_device *device, init_packet->hdr.msg_type = NVSP_MSG_TYPE_INIT; init_packet->msg.init_msg.init.min_protocol_ver = nvsp_ver; init_packet->msg.init_msg.init.max_protocol_ver = nvsp_ver; - trace_nvsp_send(ndev, init_packet); /* Send the init request */ @@ -596,13 +595,13 @@ void netvsc_device_remove(struct hv_device *device) * Revoke receive buffer. If host is pre-Win2016 then tear down * receive buffer GPADL. Do the same for send buffer. */ - netvsc_revoke_recv_buf(device, net_device); + netvsc_revoke_recv_buf(device, net_device, ndev); if (vmbus_proto_version < VERSION_WIN10) - netvsc_teardown_recv_gpadl(device, net_device); + netvsc_teardown_recv_gpadl(device, net_device, ndev); - netvsc_revoke_send_buf(device, net_device); + netvsc_revoke_send_buf(device, net_device, ndev); if (vmbus_proto_version < VERSION_WIN10) - netvsc_teardown_send_gpadl(device, net_device); + netvsc_teardown_send_gpadl(device, net_device, ndev); RCU_INIT_POINTER(net_device_ctx->nvdev, NULL); @@ -624,8 +623,8 @@ void netvsc_device_remove(struct hv_device *device) * here after VMBus is closed. */ if (vmbus_proto_version >= VERSION_WIN10) { - netvsc_teardown_recv_gpadl(device, net_device); - netvsc_teardown_send_gpadl(device, net_device); + netvsc_teardown_recv_gpadl(device, net_device, ndev); + netvsc_teardown_send_gpadl(device, net_device, ndev); } /* Release all resources */ -- 2.7.4