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Commit 92ec0893 authored by Milan Dadok's avatar Milan Dadok Committed by Greg Kroah-Hartman
Browse files

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: default avatarMilan Dadok <milan@dadok.name>
Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 9fb5cce4

drivers/staging/hv/NetVsc.c

+4 −6
Original line number Diff line number Diff line
@@ -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 */