Prevent outgoing traffic when netvsc dev is destroyed.
Signed-off-by: K. Y. Srinivasan <k...@microsoft.com>
Signed-off-by: Haiyang Zhang <haiya...@microsoft.com>
---
drivers/staging/hv/netvsc.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/drivers/staging/hv/netvsc.c b/drivers/staging/hv/netvsc.c
index 2ee3f07..538259d 100644
--- a/drivers/staging/hv/netvsc.c
+++ b/drivers/staging/hv/netvsc.c
@@ -58,7 +58,8 @@ static struct netvsc_device *get_outbound_net_device(struct
hv_device *device)
spin_lock_irqsave(&device->ext_lock, flags);
net_device = device->ext;
- if (net_device && atomic_read(&net_device->refcnt) > 1)
+ if (net_device && (atomic_read(&net_device->refcnt) > 1) &&
+ !net_device->destroy)
atomic_inc(&net_device->refcnt);
else
net_device = NULL;
--
1.7.4.1
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