From: Andrey Shvetsov <andrey.shvetsov@xxxxxx>
This replaces the call of wait_for_completion in case of an invalid MAC
address in the function most_nd_open() with the dormant state of the
network device.
As a side effect, opening the network device cannot fail anymore.
Signed-off-by: Andrey Shvetsov <andrey.shvetsov@xxxxxx>
Signed-off-by: Christian Gromm <christian.gromm@xxxxxxxxxxxxx>
---
drivers/staging/most/aim-network/networking.c | 31 ++++++---------------------
1 file changed, 6 insertions(+), 25 deletions(-)
diff --git a/drivers/staging/most/aim-network/networking.c b/drivers/staging/most/aim-network/networking.c
index 004dd7b636cd..ce2942729ecf 100644
--- a/drivers/staging/most/aim-network/networking.c
+++ b/drivers/staging/most/aim-network/networking.c
@@ -69,7 +69,6 @@ struct net_dev_context {
struct net_device *dev;
struct net_dev_channel rx;
struct net_dev_channel tx;
- struct completion mac_compl;
struct list_head list;
};
@@ -180,7 +179,6 @@ static int most_nd_set_mac_address(struct net_device *dev, void *p)
static int most_nd_open(struct net_device *dev)
{
struct net_dev_context *nd = dev->ml_priv;
- long ret;
netdev_info(dev, "open net device\n");
@@ -199,29 +197,13 @@ static int most_nd_open(struct net_device *dev)
return -EBUSY;
}
- if (!is_valid_ether_addr(dev->dev_addr)) {
- nd->iface->request_netinfo(nd->iface, nd->tx.ch_id);
- ret = wait_for_completion_interruptible_timeout(
- &nd->mac_compl, msecs_to_jiffies(5000));
- if (!ret) {
- netdev_err(dev, "mac timeout\n");
- ret = -EBUSY;
- goto err;
- }
-
- if (ret < 0) {
- netdev_warn(dev, "mac waiting interrupted\n");
- goto err;
- }
- }
-
+ if (is_valid_ether_addr(dev->dev_addr))
+ netif_dormant_off(dev);
+ else
+ netif_dormant_on(dev);
netif_wake_queue(dev);
+ nd->iface->request_netinfo(nd->iface, nd->tx.ch_id);
return 0;
-
-err:
- most_stop_channel(nd->iface, nd->tx.ch_id, &aim);
- most_stop_channel(nd->iface, nd->rx.ch_id, &aim);
- return ret;
}
static int most_nd_stop(struct net_device *dev)
@@ -337,7 +319,6 @@ static int aim_probe_channel(struct most_interface *iface, int channel_idx,
if (!nd)
return -ENOMEM;
- init_completion(&nd->mac_compl);
nd->iface = iface;
spin_lock_irqsave(&list_lock, flags);
@@ -569,7 +550,7 @@ void most_deliver_netinfo(struct most_interface *iface,
netdev_info(dev, "set mac %02x-%02x-%02x-%02x-%02x-%02x\n",
m[0], m[1], m[2], m[3], m[4], m[5]);
ether_addr_copy(dev->dev_addr, m);
- complete(&nd->mac_compl);
+ netif_dormant_off(dev);
} else if (!ether_addr_equal(dev->dev_addr, m)) {
netdev_warn(dev, "reject mac %02x-%02x-%02x-%02x-%02x-%02x\n",
m[0], m[1], m[2], m[3], m[4], m[5]);
--
2.11.0
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