net/hyperv: fix possible memory leak in do_set_multicast()
do_set_multicast() may not free the memory malloc in
netvsc_set_multicast_list().
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index 462d05f..1a1ca6c 100644
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -68,11 +68,11 @@
nvdev = hv_get_drvdata(ndevctx->device_ctx);
if (nvdev == NULL)
- return;
+ goto out;
rdev = nvdev->extension;
if (rdev == NULL)
- return;
+ goto out;
if (net->flags & IFF_PROMISC)
rndis_filter_set_packet_filter(rdev,
@@ -83,6 +83,7 @@
NDIS_PACKET_TYPE_ALL_MULTICAST |
NDIS_PACKET_TYPE_DIRECTED);
+out:
kfree(w);
}
