[PATCH 090/117] Staging: hv: netvsc: Introduce state to manage the lifecycle of net device
From: "K. Y. Srinivasan" <kys@microsoft.com>
Date: 2011-07-15 17:38:48
Also in:
lkml
Subsystem:
staging subsystem, the rest · Maintainers:
Greg Kroah-Hartman, Linus Torvalds
Introduce state to manage the lifecycle of net device. Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com> --- drivers/staging/hv/hyperv_net.h | 1 + drivers/staging/hv/netvsc.c | 3 +++ 2 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/drivers/staging/hv/hyperv_net.h b/drivers/staging/hv/hyperv_net.h
index 5782fea..0b347c1 100644
--- a/drivers/staging/hv/hyperv_net.h
+++ b/drivers/staging/hv/hyperv_net.h@@ -371,6 +371,7 @@ struct netvsc_device { atomic_t refcnt; atomic_t num_outstanding_sends; + bool destroy; /* * List of free preallocated hv_netvsc_packet to represent receive * packet
diff --git a/drivers/staging/hv/netvsc.c b/drivers/staging/hv/netvsc.c
index 7722102..67cf7fb 100644
--- a/drivers/staging/hv/netvsc.c
+++ b/drivers/staging/hv/netvsc.c@@ -43,6 +43,7 @@ static struct netvsc_device *alloc_net_device(struct hv_device *device) /* Set to 2 to allow both inbound and outbound traffic */ atomic_set(&net_device->refcnt, 2); + net_device->destroy = false; net_device->dev = device; device->ext = net_device;
@@ -404,6 +405,8 @@ int netvsc_device_remove(struct hv_device *device) return -ENODEV; } + net_device->destroy = true; + /* Wait for all send completions */ while (atomic_read(&net_device->num_outstanding_sends)) { dev_err(&device->device,
--
1.7.4.1