diff options
Diffstat (limited to 'net/wireless/scan.c')
| -rw-r--r-- | net/wireless/scan.c | 30 |
1 files changed, 27 insertions, 3 deletions
diff --git a/net/wireless/scan.c b/net/wireless/scan.c index 1625faf1de57..4f552c3f29a3 100644 --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -17,13 +17,21 @@ #define IEEE80211_SCAN_RESULT_EXPIRE (10 * HZ) -void cfg80211_scan_done(struct cfg80211_scan_request *request, bool aborted) +void __cfg80211_scan_done(struct work_struct *wk) { + struct cfg80211_registered_device *rdev; + struct cfg80211_scan_request *request; struct net_device *dev; #ifdef CONFIG_WIRELESS_EXT union iwreq_data wrqu; #endif + rdev = container_of(wk, struct cfg80211_registered_device, + scan_done_wk); + + mutex_lock(&rdev->mtx); + request = rdev->scan_req; + dev = dev_get_by_index(&init_net, request->ifidx); if (!dev) goto out; @@ -35,7 +43,7 @@ void cfg80211_scan_done(struct cfg80211_scan_request *request, bool aborted) */ cfg80211_sme_scan_done(dev); - if (aborted) + if (request->aborted) nl80211_send_scan_aborted(wiphy_to_dev(request->wiphy), dev); else nl80211_send_scan_done(wiphy_to_dev(request->wiphy), dev); @@ -43,7 +51,7 @@ void cfg80211_scan_done(struct cfg80211_scan_request *request, bool aborted) wiphy_to_dev(request->wiphy)->scan_req = NULL; #ifdef CONFIG_WIRELESS_EXT - if (!aborted) { + if (!request->aborted) { memset(&wrqu, 0, sizeof(wrqu)); wireless_send_event(dev, SIOCGIWSCAN, &wrqu, NULL); @@ -53,8 +61,24 @@ void cfg80211_scan_done(struct cfg80211_scan_request *request, bool aborted) dev_put(dev); out: + cfg80211_unlock_rdev(rdev); kfree(request); } + +void cfg80211_scan_done(struct cfg80211_scan_request *request, bool aborted) +{ + struct net_device *dev = dev_get_by_index(&init_net, request->ifidx); + if (WARN_ON(!dev)) { + kfree(request); + return; + } + + WARN_ON(request != wiphy_to_dev(request->wiphy)->scan_req); + + request->aborted = aborted; + schedule_work(&wiphy_to_dev(request->wiphy)->scan_done_wk); + dev_put(dev); +} EXPORT_SYMBOL(cfg80211_scan_done); static void bss_release(struct kref *ref) |