diff options
| author | Igor Mitsyanko <igor.mitsyanko.os@quantenna.com> | 2017-12-19 14:28:47 +0300 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2018-01-09 14:11:17 +0200 |
| commit | 4fd045cdb2396bfe315dbffd97157da711c7fa7f (patch) | |
| tree | 7b15d3cd56687b7300ac87bef9a3f80a0d9719b6 /drivers/net | |
| parent | 83476cd5871cea6a5b133e9545cf659683ef63df (diff) | |
| download | linux-4fd045cdb2396bfe315dbffd97157da711c7fa7f.tar.bz2 | |
qtnfmac: check that MAC exists in regulatory notifier
It is possible that regulatory notifier is called before MAC data
was allocated. We need to verify that MAC data exists before trying
to send a regulatory change event.
Signed-off-by: Igor Mitsyanko <igor.mitsyanko.os@quantenna.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/wireless/quantenna/qtnfmac/cfg80211.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c b/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c index 6711e7fb6926..63d274c3f2f7 100644 --- a/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c +++ b/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c @@ -802,6 +802,9 @@ static void qtnf_cfg80211_reg_notifier(struct wiphy *wiphy_in, continue; mac = bus->mac[mac_idx]; + if (!mac) + continue; + wiphy = priv_to_wiphy(mac); for (band = 0; band < NUM_NL80211_BANDS; ++band) { |