From: Johannes Berg Date: Thu, 23 May 2013 16:10:21 +0000 (+0200) Subject: cfg80211: check wdev->netdev in connection work X-Git-Tag: v3.10~13^2~34^2~6^2~8 X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=c815797663b72e3ac1736f1886538152bc48e4af;p=~emulex%2Finfiniband.git cfg80211: check wdev->netdev in connection work If a P2P-Device is present and another virtual interface triggers the connection work, the system crash because it tries to check if the P2P-Device's netdev (which doesn't exist) is up. Skip any wdevs that have no netdev to fix this. Cc: stable@vger.kernel.org Reported-by: YanBo Signed-off-by: Johannes Berg --- diff --git a/net/wireless/sme.c b/net/wireless/sme.c index 8b5eddfba1e..3ed35c345ca 100644 --- a/net/wireless/sme.c +++ b/net/wireless/sme.c @@ -231,6 +231,9 @@ void cfg80211_conn_work(struct work_struct *work) mutex_lock(&rdev->sched_scan_mtx); list_for_each_entry(wdev, &rdev->wdev_list, list) { + if (!wdev->netdev) + continue; + wdev_lock(wdev); if (!netif_running(wdev->netdev)) { wdev_unlock(wdev);