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author | Jussi Kivilinna <jussi.kivilinna@mbnet.fi> | 2009-08-28 09:59:10 (GMT) |
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committer | John W. Linville <linville@tuxdriver.com> | 2009-08-28 18:40:57 (GMT) |
commit | 0848e6c698237ba51c69eca10580d2f38a1179ad (patch) | |
tree | 673ffccdf06ca318f87189f435ebe6d0d0169dc9 | |
parent | b1d25a67647efacf2a9f2a1800f0c8195827f923 (diff) | |
download | linux-0848e6c698237ba51c69eca10580d2f38a1179ad.tar.xz |
rndis_wlan: move link up/down work to separate functions
Move link up/down work to separate functions and use local array
for allocating memory for info structure instead of kzmalloc.
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
-rw-r--r-- | drivers/net/wireless/rndis_wlan.c | 101 |
1 files changed, 55 insertions, 46 deletions
diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c index cb362b0..dc3083b 100644 --- a/drivers/net/wireless/rndis_wlan.c +++ b/drivers/net/wireless/rndis_wlan.c @@ -2319,68 +2319,77 @@ static const struct iw_handler_def rndis_iw_handlers = { }; -static void rndis_wlan_worker(struct work_struct *work) +static void rndis_wlan_do_link_up_work(struct usbnet *usbdev) { - struct rndis_wlan_private *priv = - container_of(work, struct rndis_wlan_private, work); - struct usbnet *usbdev = priv->usbdev; - union iwreq_data evt; - unsigned char bssid[ETH_ALEN]; struct ndis_80211_assoc_info *info; - int assoc_size = sizeof(*info) + IW_CUSTOM_MAX + 32; + union iwreq_data evt; + u8 assoc_buf[sizeof(*info) + IW_CUSTOM_MAX + 32]; + u8 bssid[ETH_ALEN]; int ret, offset; - if (test_and_clear_bit(WORK_LINK_UP, &priv->work_pending)) { - netif_carrier_on(usbdev->net); - - info = kzalloc(assoc_size, GFP_KERNEL); - if (!info) - goto get_bssid; - - /* Get association info IEs from device and send them back to - * userspace. */ - ret = get_association_info(usbdev, info, assoc_size); - if (!ret) { - evt.data.length = le32_to_cpu(info->req_ie_length); - if (evt.data.length > 0) { - offset = le32_to_cpu(info->offset_req_ies); - wireless_send_event(usbdev->net, - IWEVASSOCREQIE, &evt, - (char *)info + offset); - } - - evt.data.length = le32_to_cpu(info->resp_ie_length); - if (evt.data.length > 0) { - offset = le32_to_cpu(info->offset_resp_ies); - wireless_send_event(usbdev->net, - IWEVASSOCRESPIE, &evt, - (char *)info + offset); - } + memset(assoc_buf, 0, sizeof(assoc_buf)); + info = (void *)assoc_buf; + + netif_carrier_on(usbdev->net); + + /* Get association info IEs from device and send them back to + * userspace. */ + ret = get_association_info(usbdev, info, sizeof(assoc_buf)); + if (!ret) { + evt.data.length = le32_to_cpu(info->req_ie_length); + if (evt.data.length > 0) { + offset = le32_to_cpu(info->offset_req_ies); + wireless_send_event(usbdev->net, + IWEVASSOCREQIE, &evt, + (char *)info + offset); } - kfree(info); - -get_bssid: - ret = get_bssid(usbdev, bssid); - if (!ret) { - evt.data.flags = 0; - evt.data.length = 0; - memcpy(evt.ap_addr.sa_data, bssid, ETH_ALEN); - wireless_send_event(usbdev->net, SIOCGIWAP, &evt, NULL); + evt.data.length = le32_to_cpu(info->resp_ie_length); + if (evt.data.length > 0) { + offset = le32_to_cpu(info->offset_resp_ies); + wireless_send_event(usbdev->net, + IWEVASSOCRESPIE, &evt, + (char *)info + offset); } usbnet_resume_rx(usbdev); } - if (test_and_clear_bit(WORK_LINK_DOWN, &priv->work_pending)) { - netif_carrier_off(usbdev->net); - + ret = get_bssid(usbdev, bssid); + if (!ret) { evt.data.flags = 0; evt.data.length = 0; - memset(evt.ap_addr.sa_data, 0, ETH_ALEN); + memcpy(evt.ap_addr.sa_data, bssid, ETH_ALEN); wireless_send_event(usbdev->net, SIOCGIWAP, &evt, NULL); } + usbnet_resume_rx(usbdev); +} + +static void rndis_wlan_do_link_down_work(struct usbnet *usbdev) +{ + union iwreq_data evt; + + netif_carrier_off(usbdev->net); + + 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); +} + +static void rndis_wlan_worker(struct work_struct *work) +{ + struct rndis_wlan_private *priv = + container_of(work, struct rndis_wlan_private, work); + struct usbnet *usbdev = priv->usbdev; + + if (test_and_clear_bit(WORK_LINK_UP, &priv->work_pending)) + rndis_wlan_do_link_up_work(usbdev); + + if (test_and_clear_bit(WORK_LINK_DOWN, &priv->work_pending)) + rndis_wlan_do_link_down_work(usbdev); + if (test_and_clear_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending)) set_multicast_list(usbdev); } |