[PATCH 14/46] Staging: hv: netvsc: Prevent outgoing traffic when netvsc dev is destroyed
From: "K. Y. Srinivasan" <kys@microsoft.com>
Date: 2011-08-27 18:13:00
Also in:
lkml
Subsystem:
staging subsystem, the rest · Maintainers:
Greg Kroah-Hartman, Linus Torvalds
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> --- 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 8eb4039..67065c1 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;
--
1.7.4.1