From 2ef7714397cd49dc378e20afa6dd19306e5f2b5e Mon Sep 17 00:00:00 2001 From: "K. Y. Srinivasan" Date: Sat, 27 Aug 2011 11:31:13 -0700 Subject: [PATCH] Staging: hv: netvsc: Prevent outgoing traffic when netvsc dev is destroyed Prevent outgoing traffic when netvsc dev is destroyed. Signed-off-by: K. Y. Srinivasan Signed-off-by: Haiyang Zhang Signed-off-by: Greg Kroah-Hartman --- drivers/staging/hv/netvsc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/staging/hv/netvsc.c b/drivers/staging/hv/netvsc.c index 8eb4039b5ff8..67065c182b70 100644 --- a/drivers/staging/hv/netvsc.c +++ b/drivers/staging/hv/netvsc.c @@ -56,7 +56,8 @@ static struct netvsc_device *get_outbound_net_device(struct hv_device *device) struct netvsc_device *net_device; 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; -- 2.20.1