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rndis_wlan: do link-down state change in worker thread

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rndis_wext_link_change() is called from within rndis_command() so it
isn't very good place to do any work. Move to worker thread.

Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Jussi Kivilinna 2008-06-02 18:35:21 +03:00 committed by John W. Linville
parent cc0d9ff2c9
commit 6010ce07a6
1 changed files with 14 additions and 14 deletions
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28
drivers/net/wireless/rndis_wlan.c
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@ -310,8 +310,9 @@ enum wpa_key_mgmt { KEY_MGMT_802_1X, KEY_MGMT_PSK, KEY_MGMT_NONE,
#define CAP_MODE_MASK 7
#define CAP_SUPPORT_TXPOWER 8
#define WORK_CONNECTION_EVENT (1<<0)
#define WORK_SET_MULTICAST_LIST (1<<1)
#define WORK_LINK_UP (1<<0)
#define WORK_LINK_DOWN (1<<1)
#define WORK_SET_MULTICAST_LIST (1<<2)
/* RNDIS device private data */
struct rndis_wext_private {
@ -2213,7 +2214,7 @@ static void rndis_wext_worker(struct work_struct *work)
int assoc_size = sizeof(*info) + IW_CUSTOM_MAX + 32;
int ret, offset;
if (test_and_clear_bit(WORK_CONNECTION_EVENT, &priv->work_pending)) {
if (test_and_clear_bit(WORK_LINK_UP, &priv->work_pending)) {
info = kzalloc(assoc_size, GFP_KERNEL);
if (!info)
goto get_bssid;
@ -2251,6 +2252,13 @@ get_bssid:
}
}
if (test_and_clear_bit(WORK_LINK_DOWN, &priv->work_pending)) {
evt.data.flags = 0;
evt.data.length = 0;
memset(evt.ap_addr.sa_data, 0, ETH_ALEN);
wireless_send_event(usbdev->net, SIOCGIWAP, &evt, NULL);
}
if (test_and_clear_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending))
set_multicast_list(usbdev);
}
@ -2267,18 +2275,10 @@ static void rndis_wext_set_multicast_list(struct net_device *dev)
static void rndis_wext_link_change(struct usbnet *dev, int state)
{
struct rndis_wext_private *priv = get_rndis_wext_priv(dev);
union iwreq_data evt;
if (state) {
/* queue work to avoid recursive calls into rndis_command */
set_bit(WORK_CONNECTION_EVENT, &priv->work_pending);
queue_work(priv->workqueue, &priv->work);
} else {
evt.data.flags = 0;
evt.data.length = 0;
memset(evt.ap_addr.sa_data, 0, ETH_ALEN);
wireless_send_event(dev->net, SIOCGIWAP, &evt, NULL);
}
/* queue work to avoid recursive calls into rndis_command */
set_bit(state ? WORK_LINK_UP : WORK_LINK_DOWN, &priv->work_pending);
queue_work(priv->workqueue, &priv->work);
}