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>

diff --git a/drivers/staging/hv/NetVsc.c b/drivers/staging/hv/NetVsc.c
index 1610b84..d384c0d 100644 (file)
--- 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 */