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qtnfmac: check that MAC exists in regulatory notifier

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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>
This commit is contained in:
Igor Mitsyanko 2017-12-19 14:28:47 +03:00 • committed by Kalle Valo
parent 83476cd587
commit 4fd045cdb2
1 changed files with 3 additions and 0 deletions
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3
drivers/net/wireless/quantenna/qtnfmac/cfg80211.c
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@ -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) {