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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 <kys@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
K. Y. Srinivasan 2011-08-27 11:31:13 -07:00 committed by Greg Kroah-Hartman
parent c38b9c7118
commit 2ef7714397
1 changed files with 2 additions and 1 deletions
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3
drivers/staging/hv/netvsc.c
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@ -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;