From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BB0802AB21 for ; Wed, 20 Sep 2023 12:01:41 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3CD8DC433CA; Wed, 20 Sep 2023 12:01:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1695211301; bh=Izh7+npmAmkIY5M9MNhGtTbW4/ChavhotJGnfNP47PQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=i+U4ebdAM+85FjQYZOASE+53shDymBTC12jmIrSGu/DWz2+Bk75khS97GcRH7iu8O xs/D8e7B7lKI6Tat4OZhDn35z/M1VoImsD3p5n7khjEh2heB7oyN5qpI3GFEFVs6FZ wr+3XmIwLJAUlsuYDjL0qqjB4nmZpNbaoh1q839I= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Yuanjun Gong , Luiz Augusto von Dentz , Sasha Levin Subject: [PATCH 4.14 042/186] Bluetooth: nokia: fix value check in nokia_bluetooth_serdev_probe() Date: Wed, 20 Sep 2023 13:29:05 +0200 Message-ID: <20230920112838.462375148@linuxfoundation.org> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20230920112836.799946261@linuxfoundation.org> References: <20230920112836.799946261@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 4.14-stable review patch. If anyone has any objections, please let me know. ------------------ From: Yuanjun Gong [ Upstream commit e8b5aed31355072faac8092ead4938ddec3111fd ] in nokia_bluetooth_serdev_probe(), check the return value of clk_prepare_enable() and return the error code if clk_prepare_enable() returns an unexpected value. Fixes: 7bb318680e86 ("Bluetooth: add nokia driver") Signed-off-by: Yuanjun Gong Signed-off-by: Luiz Augusto von Dentz Signed-off-by: Sasha Levin --- drivers/bluetooth/hci_nokia.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/bluetooth/hci_nokia.c b/drivers/bluetooth/hci_nokia.c index 3539fd03f47ee..474866448f181 100644 --- a/drivers/bluetooth/hci_nokia.c +++ b/drivers/bluetooth/hci_nokia.c @@ -746,7 +746,11 @@ static int nokia_bluetooth_serdev_probe(struct serdev_device *serdev) return err; } - clk_prepare_enable(sysclk); + err = clk_prepare_enable(sysclk); + if (err) { + dev_err(dev, "could not enable sysclk: %d", err); + return err; + } btdev->sysclk_speed = clk_get_rate(sysclk); clk_disable_unprepare(sysclk); -- 2.40.1