From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794063186; b=GzjB3SBf7ccRpwzHdUNMVRqkncW/py8kIqHvlYzyQ0xH26Lk8fgUjdJKIYlpiHTuuv3n Izk2jXZGwE2omyCAdkSAbLaxGSRnpn4a40iz8UpP/w0AOmkqQdeVMZ/48/ywfHOmgdUnO F4WrcAFXay3WlcOIadjNCZpvGz+Cma9bCFp2zqQCLuQ59ahA3PiDuQb25EAytmGm/5d1N GoxaueiomTxpWy+uxiIdfZG7Jf+99sK5Sdwh/i1wIfe7gHqVFJIStaSuIE2KDo9xfbaNt wdTdNzredb0QqqBoCw+/gBez3OpwLtOyVjp0sbe8lsR4yqPyalmhsS6hytJ41H9UeRQ== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794063186; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:User-Agent:X-stable:X-Patchwork-Hint: MIME-Version:Content-Transfer-Encoding; bh=eTGtqTZMoWfvIx02fpb8EuJuPm52cMN5NllatlQAfm8=; b=ETPFalst4slf/LdRAth4UnD/aQRQVUOh7OFt/OuR19cPjZou/uBWJoLr+WjXhHgZjmIJ 6/TMTy1521zAHF2vnYZnvqY3HHxYzhXEo2FRiwMw+jW8jk7FcwBwNg1VykRsH4iwyojWi cNA1lsxGL97PW64oiAx3IUHtyZG2JL5UovAOOQZ4ywVXqPzs+X2QHEBhUJKNIkk4iLcu0 hOYHrzPwMAtO65Vw5p8wopiVWzxShyqdx5+vD3Fs6Cht2ClYx4uXBgvfyT8+OoDxRiiRw 5cPQ0EGRubO72b69JG7MtmsoCl1A4nK/ysCm1wytcEVnTSEh0qRKlSUJPROR+L8fX3A== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=linuxfoundation.org header.i=@linuxfoundation.org header.a=rsa-sha256 header.s=korg header.b=sS5+CWfh; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6D422606A330; Sat, 7 Nov 2026 14:53:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.a=rsa-sha256 header.s=korg header.b=sS5+CWfh Received: by smtp.kernel.org (Postfix) with ESMTPSA id 12EDA1F0089F; Sat, 7 Nov 2026 14:53:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1794063186; bh=eTGtqTZMoWfvIx02fpb8EuJuPm52cMN5NllatlQAfm8=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=sS5+CWfhRIPCk6Ky85zdYGvq+ECOip0QJju7N+rTuo+utZUhTd+x0sop1+1cXIxHf V0+tEXt3o9JEAa+TsFOFQmJIUfi9KdJjmmurOe9/aNojQUmGN232qX0kyz5jRZ5Mqx q9T7ql7Oa/+x7W/U9wmn5qqXnHE7Fi7r/EzWiV4o= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Jiale Yao , Felix Fietkau , Sasha Levin Subject: [PATCH 6.18 403/869] wifi: mt76: mt7615: cancel reset work during unregister Date: Sat, 7 Nov 2026 08:51:25 -0500 Message-ID: <20261107134907.041552248@linuxfoundation.org> X-Mailer: git-send-email 2.56.0 In-Reply-To: <20261107134852.069646174@linuxfoundation.org> References: <20261107134852.069646174@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore X-Mailing-List: stable@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Jiale Yao [ Upstream commit 5b779c63fb1e20e6729d3241b78be7502759296d ] The MCU error interrupt handler queues reset_work on the device workqueue. Device removal can reach mt76_unregister_device() while that work is still pending, since the workqueue is not destroyed until mt76_free_device(). If reset_work runs in this window, it operates on an unregistered hw and can requeue mac_work after ieee80211_unregister_hw() has torn the device down. Cancel it before unregistering the device so it cannot outlive the registered hw. Fixes: 61c4fa721968 ("mt76: mt7615: implement hardware reset support") Cc: stable@vger.kernel.org Signed-off-by: Jiale Yao Link: https://patch.msgid.link/20260927101041.957362-1-yaojiale02@163.com Signed-off-by: Felix Fietkau Signed-off-by: Sasha Levin --- drivers/net/wireless/mediatek/mt76/mt7615/pci_init.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/pci_init.c b/drivers/net/wireless/mediatek/mt76/mt7615/pci_init.c index f607eee3fb479..5e09f43926e02 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/pci_init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/pci_init.c @@ -116,6 +116,7 @@ void mt7615_unregister_device(struct mt7615_dev *dev) mcu_running = mt7615_wait_for_mcu_init(dev); mt7615_unregister_ext_phy(dev); + cancel_work_sync(&dev->reset_work); mt76_unregister_device(&dev->mt76); if (mcu_running) mt7615_mcu_exit(dev); -- 2.53.0