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From: Sergey Matyukevich <sergey.matyukevich.os@quantenna.com>
To: linux-wireless@vger.kernel.org
Cc: Igor Mitsyanko <igor.mitsyanko.os@quantenna.com>,
	Avinash Patil <avinashp@quantenna.com>,
	Vasily Ulyanov <vulyanov@quantenna.com>
Subject: [PATCH 01/10] qtnfmac: check that MAC exists in regulatory notifier
Date: Mon, 13 Nov 2017 13:28:06 +0300	[thread overview]
Message-ID: <20171113102815.11254-2-sergey.matyukevich.os@quantenna.com> (raw)
In-Reply-To: <20171113102815.11254-1-sergey.matyukevich.os@quantenna.com>

From: Igor Mitsyanko <igor.mitsyanko.os@quantenna.com>

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>
---
 drivers/net/wireless/quantenna/qtnfmac/cfg80211.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c b/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c
index 7d6dc76c930a..eeffc7689455 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) {
-- 
2.11.0

  reply	other threads:[~2017-11-13 10:28 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-11-13 10:28 [PATCH 0/10] qtnfmac: regular portion of features and fixes Sergey Matyukevich
2017-11-13 10:28 ` Sergey Matyukevich [this message]
2017-11-13 10:28 ` [PATCH 02/10] qtnfmac: pass complete channel data between driver and firmware Sergey Matyukevich
2017-12-04 14:46   ` Kalle Valo
2017-12-05 16:24     ` Sergey Matyukevich
2018-01-12 11:23       ` Kalle Valo
2018-01-15  9:56         ` Sergey Matyukevich
2017-11-13 10:28 ` [PATCH 03/10] qtnfmac: add support for radar detection and CAC Sergey Matyukevich
2017-12-04 14:49   ` Kalle Valo
2017-12-04 14:52     ` Kalle Valo
2017-12-05 16:27       ` Sergey Matyukevich
2017-11-13 10:28 ` [PATCH 04/10] qtnfmac: change default interface mode from AP to STA Sergey Matyukevich
2017-11-13 10:28 ` [PATCH 05/10] qtnfmac: check for passed channel being NULL in MGMT_TX command Sergey Matyukevich
2017-11-13 10:28 ` [PATCH 06/10] qtnfmac: fix rssi data passed to wireless core Sergey Matyukevich
2017-11-13 10:28 ` [PATCH 07/10] qtnfmac: fill wiphy's extended capabilities Sergey Matyukevich
2017-11-13 10:28 ` [PATCH 08/10] qtnfmac: modify GET_STA_STATS cmd format for back/forward compatibility Sergey Matyukevich
2017-11-13 10:28 ` [PATCH 09/10] qtnfmac: keeping track of "generation" for STA info Sergey Matyukevich
2017-11-13 10:28 ` [PATCH 10/10] qtnfmac: support MAC address based access control Sergey Matyukevich
2017-12-04 15:01   ` Kalle Valo
2017-12-05 16:00     ` Sergey Matyukevich
2017-12-18 12:43       ` Sergey Matyukevich
2017-12-18 14:01       ` Kalle Valo
2017-12-18 16:18         ` Sergey Matyukevich
2017-12-19  9:38           ` Johannes Berg
2017-12-19 10:29             ` Sergey Matyukevich
2017-12-19 10:35               ` Johannes Berg
2017-12-19 10:42                 ` Sergey Matyukevich
2017-12-19 10:59                   ` Johannes Berg
2017-12-19 11:19                     ` Sergey Matyukevich
2017-12-19 12:37                       ` Arend van Spriel
2017-12-19 16:58                         ` Johannes Berg
2017-12-19 22:13                           ` Arend Van Spriel

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