From nobody Sun Nov 24 01:44:11 2024 Received: from mail-qv1-f47.google.com (mail-qv1-f47.google.com [209.85.219.47]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4BC94217F51; Thu, 7 Nov 2024 20:58:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.219.47 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731013092; cv=none; b=Ronb+g5ilIR2AwPLMMocIQdBfDmgxEhtnhplvyzxjA1rk+9hNrTn2JmSwfbyfglTaNTDotgPs7vF1B+z7o+L4Zi51fko4yDAVyEjsY9Q3MBVsW7JV24vFFsGZ1PiLUczvsTq/95cZKUGPgHlQverQf8fONASn0ZenxoVNLOiunM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731013092; c=relaxed/simple; bh=1r6YZ6EcAekxlM8K6DQ7ifFc85VeXGRJ6sfinw3tLBg=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=a0MT0yW4y+ZIye3XOC6YzYZV2peDjL7zB1UKeLmoZc8v5j8i2uUDKSXkFikOIFX/vTzVKI7q/LSRIxaGldgZumS3TU7AZywQy3sQV7K6uDG0diQ1eH3N+2dX3IUndPdJbZUWaQnD6yAv2sKvCdB87KoakoQpCmIMj7V0Lv/9Aco= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=ZzZzpCKG; arc=none smtp.client-ip=209.85.219.47 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="ZzZzpCKG" Received: by mail-qv1-f47.google.com with SMTP id 6a1803df08f44-6cbf340fccaso12643446d6.1; Thu, 07 Nov 2024 12:58:11 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1731013090; x=1731617890; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=P1uYY6LZISFdl5bLdCORh3WiLBX5TjL7MQUKS8/AqOk=; b=ZzZzpCKG17rzvpMNOVLPVfNq35qBhIUi/cY3sf11KHAhnmkbyupYRhbAg0Hr5sgfp3 YIx79HSrlpgu6L8bk0psVa4/M9TqS6Or3Ke7PjoTVn3Q3RqSYFypUmRPcTz6s7LGmkAo i6ThZsmBT8EE8R8rabc3mTt4Dvt/KAYXrLy1qCtEWzsQFK2L0muaZB3EZ4glfCKvcmhN qYhXHCrgnPj5LQJaEBGdqR0MvoWQTYKaZu2MsnbhjFtG5epwQWhdKLsRU9Bid02CLYav r15hF76BQu12snWQD08UVCSYT5ghr076v1dtEMjXhfD37gQyHHxHbrbT9+ODBgn/FySv HXoA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1731013090; x=1731617890; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=P1uYY6LZISFdl5bLdCORh3WiLBX5TjL7MQUKS8/AqOk=; b=HZpvvZG13eMEVrA7jTvY4uSFhxFCRpg5WcpGbYc9aOBB4NrQBcAHlFi+w52kKcXa7S kNhAyhNK/aVCVjbTKeA6OlLkF3JBOU47EWV7/x4sUZGERotZjMeFKaDBZS1ZWsncpIK5 Cdf++04XcKIBo5lfGEPiSdhWL1DG9W3HwJZRw1Poy7kRdEAOl1wTL9Yg20/pG8AjgJ5q hK9h/kCtGqii1Rh8YZSjzTjqgeaHRJ3hSEipf6qVmMqaLH/RcHkHpjnRO6wHvVydTjz/ tfPLXvQQDFqrqr0WwqoGlDaZdGjhdMib5e4QmEX3t/t8+EKrtObLCkDuselsQHb1xSDR qT/g== X-Forwarded-Encrypted: i=1; AJvYcCWdT4r97j+yA/ZkKZMBgqrwsvXUB1LzkfMqSVJb720xH5Rpc4aUZxVTXAvJlRbEGnQ+1un1mdimrSdGWZ0=@vger.kernel.org X-Gm-Message-State: AOJu0YxhzaNZZdavvCLqVhpe8prPcQqDzzSgT/fiUDCOvrJoe+YUYcB8 6Dkl/JSGfJq9/h5IPDQaLwLFBPWXiNhpC7OfWcBIWwP5L+8AC6s8MSgoHoeg X-Google-Smtp-Source: AGHT+IGop+xxmhQASZ/DFo/b1qZ9Tmwl/texf371HuaO0E4jN0ptYI+BVdN3tYj7CubX9Jqe5nF3Ww== X-Received: by 2002:a05:6214:3908:b0:6d3:4a7e:7326 with SMTP id 6a1803df08f44-6d39e50800dmr4365456d6.14.1731013090214; Thu, 07 Nov 2024 12:58:10 -0800 (PST) Received: from localhost.localdomain ([128.10.127.250]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-6d396632a57sm11326636d6.123.2024.11.07.12.58.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 07 Nov 2024 12:58:09 -0800 (PST) From: Mingwei Zheng To: johannes@sipsolutions.net, linville@tuxdriver.com, rklein@nvidia.com Cc: linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org, Mingwei Zheng , Jiasheng Jiang Subject: [PATCH] net: rfkill: gpio: Add check for clk_enable() Date: Thu, 7 Nov 2024 16:01:55 -0500 Message-Id: <20241107210155.1383802-1-zmw12306@gmail.com> X-Mailer: git-send-email 2.34.1 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" Add check for the return value of clk_enable() to catch the potential expection. Fixes: 7176ba23f8b5 ("net: rfkill: add generic gpio rfkill driver") Signed-off-by: Mingwei Zheng Signed-off-by: Jiasheng Jiang --- net/rfkill/rfkill-gpio.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/net/rfkill/rfkill-gpio.c b/net/rfkill/rfkill-gpio.c index c268c2b011f4..a87bb99231a6 100644 --- a/net/rfkill/rfkill-gpio.c +++ b/net/rfkill/rfkill-gpio.c @@ -31,9 +31,13 @@ struct rfkill_gpio_data { static int rfkill_gpio_set_power(void *data, bool blocked) { struct rfkill_gpio_data *rfkill =3D data; + int ret; =20 - if (!blocked && !IS_ERR(rfkill->clk) && !rfkill->clk_enabled) - clk_enable(rfkill->clk); + if (!blocked && !IS_ERR(rfkill->clk) && !rfkill->clk_enabled) { + ret =3D clk_enable(rfkill->clk); + if (!ret) + return ret; + } =20 gpiod_set_value_cansleep(rfkill->shutdown_gpio, !blocked); gpiod_set_value_cansleep(rfkill->reset_gpio, !blocked); --=20 2.34.1