From nobody Sun Nov 24 00:03:06 2024 Received: from mail-il1-f169.google.com (mail-il1-f169.google.com [209.85.166.169]) (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 9566B233D96; Fri, 8 Nov 2024 18:52:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.169 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731091943; cv=none; b=osR7CVGBhVPuj6hKDSV7ZTg+fI7QGvjVOk3S6NeocUwE2qgPrcGvRjKdbdOIOT8Rx5nM2X9AReF9wNJjUcqi8DeDug8RJSv8ZGUh58RuY0cLIPOKE/anDOFw13LK1aw4R/jW9mxyx+C99oNmS0z8uo86TpVTgOgdiOYPuZJGPZQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731091943; c=relaxed/simple; bh=A2hSK+sHXgxm3OEIytBivzn6hGIJD6/8WxFeB9ebGnI=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=FZxhZLTSCY+XLmxiIuJTCz/NEluAJ4G7z9CKtOM1iYhalDWOJrk2L3FQStjv8evxfr4uYiV4Hguy7Eb6a2GahcaoyGgiGWURTKufI8T26WLdK2fD3cPIgKVSrLDoV9wo6GDGNhIQzT2ah/KEVnScS5U0W0v4MK2PqGBJ3MDz1oA= 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=bGkNLkxz; arc=none smtp.client-ip=209.85.166.169 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="bGkNLkxz" Received: by mail-il1-f169.google.com with SMTP id e9e14a558f8ab-3a6ace3b6a5so8967185ab.1; Fri, 08 Nov 2024 10:52:21 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1731091941; x=1731696741; 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=lBssO/4mh3YLOsQWkyDKnQfteClw73MBYYg3Qpci+rU=; b=bGkNLkxz2hXHMPd+8MHkzXP7CGPbjwLZDiNTNr6J8IlzVgk0Kx+U1FUKW1roHk+NYh FnRCR9RXyRY39LTqhuWQmkdYQl7x0LG3VK/tyz7VXxvoCNzqmSlQ2D8STHBU5MUksBGH qQwGYbi+ytz9ri/HBxIBHReEUZfTU4/TrvsLVj61u17lC5UXs2m0nQj9p7O3uibPFqWO LJiBNPvJi7lT+m1Jt/ouqF7jAmF4X/1K0LGhTkIHclTTFHXVfAtRR2f/8tFc0Y914KZb gus4b+MssA9+nwFiPDxxJQyBOUuv8UBZbVNsJNQjvJsLf2flA5jkwpitB5dGsBKWTPM0 ab3A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1731091941; x=1731696741; 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=lBssO/4mh3YLOsQWkyDKnQfteClw73MBYYg3Qpci+rU=; b=bx9/LzbsAsqC9Z3SMNreL79XRs1PY2qtVm5qWFbaftrxfmm6x9Q47StznWZehrwXN+ MOyDI+m3AZqI0IPE55afWxpWmhuGIqL0ocKFP4tWF5/+9zX8AgnWVHrV/8dnX6wLg9p5 wMVociJW2Arq5sFLxqVoXupCRi9Bv7W6sWaCSpdipv4rJJZQu3jMkDidK+WIz/aWaxOD seqbp2jBlabzA6QLXsTzszOAhXzg3X+rbhs1Q9xZZUznlY8Ndh46pjbOPcvAezChB+pr 3RnLSeCiYyL3NO88eNFiCQqfT4jJUrRAmf3o6tLlT+moy3fa+N4D7YwiiDmLH19ctaWq Qqhw== X-Forwarded-Encrypted: i=1; AJvYcCW+6DQeYNW75QNBGP34h5RTiuWld2Vikzh01crikpksZUR73YtPUApesI89zHVpReTrwvKsK40nTYhzLmE=@vger.kernel.org, AJvYcCWW9KXAeB3MYpnjXBameUBCigwsreWINzQ1Qbp+0OjfVGfEULTXsSoEHtIuqb/zawTGZbRcg3HOnsVThYA64Og=@vger.kernel.org X-Gm-Message-State: AOJu0YyVFUU6AnovzaZVfTkDuTwv00BQoE70hSMNXBljhZt+MDiNtg4k I+4Cumh8XM5Rkm4onZ+nJ8ZP0Zif/SZZWuOSNUNkK+xlGzD4FGFr X-Google-Smtp-Source: AGHT+IH7E9Tpdy+oYZSCJw+j/sq/o9JFvHAPDnz0UMIdvHx4z60xHlxbqw+kRFUgL5PIWkzNAVgibA== X-Received: by 2002:a92:501:0:b0:3a6:b445:dc92 with SMTP id e9e14a558f8ab-3a6f19a0823mr38227315ab.10.1731091940650; Fri, 08 Nov 2024 10:52:20 -0800 (PST) Received: from localhost.localdomain ([128.10.127.250]) by smtp.gmail.com with ESMTPSA id 8926c6da1cb9f-4de5f7e3e81sm977715173.25.2024.11.08.10.52.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 08 Nov 2024 10:52:19 -0800 (PST) From: Mingwei Zheng To: johannes@sipsolutions.net Cc: linville@tuxdriver.com, rklein@nvidia.com, 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: Fri, 8 Nov 2024 13:55:59 -0500 Message-Id: <20241108185559.1832652-1-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 error. Fixes: 7176ba23f8b5 ("net: rfkill: add generic gpio rfkill driver") Signed-off-by: Mingwei Zheng Signed-off-by: Jiasheng Jiang --- Changelog: v2 -> v3 1. Move int ret declaration into if. 2. Replace if (!ret) with if (ret). --- Changelog: v1 -> v2 1. Replace expection with error in commit msg. --- 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..a8e21060112f 100644 --- a/net/rfkill/rfkill-gpio.c +++ b/net/rfkill/rfkill-gpio.c @@ -32,8 +32,12 @@ static int rfkill_gpio_set_power(void *data, bool blocke= d) { struct rfkill_gpio_data *rfkill =3D data; =20 - if (!blocked && !IS_ERR(rfkill->clk) && !rfkill->clk_enabled) - clk_enable(rfkill->clk); + if (!blocked && !IS_ERR(rfkill->clk) && !rfkill->clk_enabled) { + int 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