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([2401:4900:53f5:9794:3431:2323:a200:80a3]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-8241d1bd466sm2263296b3a.20.2026.02.04.03.38.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Feb 2026 03:38:33 -0800 (PST) From: dhyaan19022009-hue X-Google-Original-From: dhyaan19022009-hue To: Kalle Valo Cc: linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org, dhyaan19022009-hue Subject: [PATCH] iwlwifi: dvm: fix NULL pointer dereference in rxon Date: Wed, 4 Feb 2026 17:08:20 +0530 Message-ID: <20260204113820.4410-1-dhyaan19022009@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Signed-off-by: dhyaan19022009-hue --- drivers/net/wireless/intel/iwlwifi/dvm/rxon.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/net/wireless/intel/iwlwifi/dvm/rxon.c b/drivers/net/wi= reless/intel/iwlwifi/dvm/rxon.c index e08e44cae..2d480b1d1 100644 --- a/drivers/net/wireless/intel/iwlwifi/dvm/rxon.c +++ b/drivers/net/wireless/intel/iwlwifi/dvm/rxon.c @@ -1392,6 +1392,11 @@ void iwlagn_bss_info_changed(struct ieee80211_hw *hw, =20 mutex_lock(&priv->mutex); =20 + + if (!bss_conf) { + mutex_unlock(&priv->mutex); + return; + } if (changes & BSS_CHANGED_IDLE && vif->cfg.idle) { /* * If we go idle, then clearly no "passive-no-rx" --=20 2.43.0