firewire net: Fix memory leakage in fwnet_remove().

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
diff --git a/drivers/firewire/net.c b/drivers/firewire/net.c
index 9a2634a..d9b2105 100644
--- a/drivers/firewire/net.c
+++ b/drivers/firewire/net.c
@@ -1626,6 +1626,8 @@
 		fwnet_fifo_stop(dev);
 		if (dev->broadcast_rcv_context) {
 			fw_iso_context_stop(dev->broadcast_rcv_context);
+			kfree(dev->broadcast_rcv_buffer_ptrs);
+			dev->broadcast_rcv_buffer_ptrs = NULL;
 			fw_iso_buffer_destroy(&dev->broadcast_rcv_buffer,
 					      dev->card);
 			fw_iso_context_destroy(dev->broadcast_rcv_context);