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| author | Johannes Berg <johannes.berg@intel.com> | 2013-05-23 18:10:21 +0200 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2013-05-23 18:12:38 +0200 |
| commit | c815797663b72e3ac1736f1886538152bc48e4af (patch) | |
| tree | 023320c601a49b09bdd3aa6ac308a1f8416628b4 /net | |
| parent | 6211dd12da609bc6893b9c3182630b494737ec4b (diff) | |
| download | linux-c815797663b72e3ac1736f1886538152bc48e4af.tar.gz linux-c815797663b72e3ac1736f1886538152bc48e4af.tar.bz2 linux-c815797663b72e3ac1736f1886538152bc48e4af.zip | |
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 <dreamfly281@gmail.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net')
| -rw-r--r-- | net/wireless/sme.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/wireless/sme.c b/net/wireless/sme.c index 8b5eddfba1e5..3ed35c345cae 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); |