Staging: hv: fix oops in vmbus - netvsc list_head

Remove incorrect list_head usage. Variable of type list_head was used in
some function's arguments as list item.

Signed-off-by: Milan Dadok <milan@dadok.name>
Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 4 insertions, 6 deletions

diff --git a/drivers/staging/hv/NetVsc.c b/drivers/staging/hv/NetVsc.c
index 1610b845198f..d384c0ddf069 100644
--- a/drivers/staging/hv/NetVsc.c
+++ b/drivers/staging/hv/NetVsc.c
@@ -1052,7 +1052,7 @@ static void NetVscOnReceive(struct hv_device *Device,
          */
         spin_lock_irqsave(&netDevice->receive_packet_list_lock, flags);
         while (!list_empty(&netDevice->ReceivePacketList)) {
-                list_move_tail(&netDevice->ReceivePacketList, &listHead);
+                list_move_tail(netDevice->ReceivePacketList.next, &listHead);
                 if (++count == vmxferpagePacket->RangeCount + 1)
                         break;
         }
@@ -1071,7 +1071,7 @@ static void NetVscOnReceive(struct hv_device *Device,
                 /* Return it to the freelist */
                 spin_lock_irqsave(&netDevice->receive_packet_list_lock, flags);
                 for (i = count; i != 0; i--) {
-                        list_move_tail(&listHead,
+                        list_move_tail(listHead.next,
                                        &netDevice->ReceivePacketList);
                 }
                 spin_unlock_irqrestore(&netDevice->receive_packet_list_lock,
@@ -1085,8 +1085,7 @@ static void NetVscOnReceive(struct hv_device *Device,
         }
 
         /* Remove the 1st packet to represent the xfer page packet itself */
-        xferpagePacket = list_entry(&listHead, struct xferpage_packet,
-                                    ListEntry);
+        xferpagePacket = (struct xferpage_packet*)listHead.next;
         list_del(&xferpagePacket->ListEntry);
 
         /* This is how much we can satisfy */
@@ -1102,8 +1101,7 @@ static void NetVscOnReceive(struct hv_device *Device,
 
         /* Each range represents 1 RNDIS pkt that contains 1 ethernet frame */
         for (i = 0; i < (count - 1); i++) {
-                netvscPacket = list_entry(&listHead, struct hv_netvsc_packet,
-                                          ListEntry);
+                netvscPacket = (struct hv_netvsc_packet*)listHead.next;
                 list_del(&netvscPacket->ListEntry);
 
                 /* Initialize the netvsc packet */