Messages in this thread Patch in this message | | | From | "K. Y. Srinivasan" <> | Subject | [PATCH 18/40] Staging: hv: netvsc: Prevent outgoing traffic when netvsc dev is destroyed | Date | Wed, 29 Jun 2011 07:39:15 -0700 |
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Prevent outgoing traffic when netvsc dev is destroyed.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com> Signed-off-by: Abhishek Kane <v-abkane@microsoft.com> Signed-off-by: Hank Janssen <hjanssen@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 531de63..3ac0e17 100644 --- a/drivers/staging/hv/netvsc.c +++ b/drivers/staging/hv/netvsc.c @@ -60,7 +60,8 @@ 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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