From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2034EC77B76 for ; Sun, 16 Apr 2023 04:25:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229462AbjDPEZm (ORCPT ); Sun, 16 Apr 2023 00:25:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58410 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229894AbjDPEZk (ORCPT ); Sun, 16 Apr 2023 00:25:40 -0400 Received: from ipmail03.adl2.internode.on.net (ipmail03.adl2.internode.on.net [150.101.137.141]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 73D832D4C for ; Sat, 15 Apr 2023 21:25:38 -0700 (PDT) IronPort-SDR: 643b78bc_346VmSdYT6N+7JQEOH1quHds0GXE6/TOou35kH2FZ4+rfAL WQglDyjH97FtK57y6FX0ReI3Pkeaudw4Cc8DL+w== X-SMTP-MATCH: 0 X-IPAS-Result: =?us-ascii?q?A2CwAACkdztkjPQc8jxaGwEBAQEBAQEBBQEBARIBAQEDA?= =?us-ascii?q?wEBAUmBRoIugk+uCIdXDwEPAQFEBAEBhQYChTwmOBMBAgQBAQEBAwIDAQEBA?= =?us-ascii?q?QEBAwEBBgEBAQEBAQYEFAEBAQFARYVoDYYEAgEDJwsBDQEBNwEPGThXBgESg?= =?us-ascii?q?n6CXa8EM4EBgggBAQaCYppqgV4JgUGLdYEWgzZ6Qj+BToEVgTyCLYEPiXeaV?= =?us-ascii?q?oE0doEgDkpygQQCCQIRa4EQCGp+e0ACDWQLDm+BSYMqBAIURA5UAwkDBwVJQ?= =?us-ascii?q?AMLGA0WOhMsNRQgXGwtEhIFAwsVKkcECDgGGzQRAggPEg8sRAxCNzMTBlwBK?= =?us-ascii?q?QgDDhEDTkIZbASCCgYBJiSfGQd7E5VVA7EQhAiBWZ8UTYFGp3wul0kgohKBG?= =?us-ascii?q?IQsAgoHFoF6gX5NHxmDIk8DGQ+OIAwNCYIKkVFjPQIHCwEBAwmLRQEB?= IronPort-PHdr: A9a23:dpOUbhF+7JKGZ+z47qaOTp1GfhYY04WdBeZdwpAml6kIeb6q4JrlJ kCZ6PBwyl7FG4zGuLpNkeGDtafmVCQb5IqZ9moPdZtQWloEkZAYkwB6UpGMAEGpIKK1P35jT pZJXgY9rXqwaRc9JQ== IronPort-Data: A9a23:HuqaDak9cGNQAAoDdZ3z8vfo5gyVIkRdPkR7XQ2eYbSJt1+Wr1Gzt xJKCGGGbP6OYWTyeNl3bo609klUuJ7Tn4NmSQNs/Cs3QiMV8ZfOXovHIxqsb3vCdpPOQEw+s 89HYYKdc85vFXGMjxr8abKJQVtUjPHQHOCgYALn1oGdYSc+FU/NXDo6w7ZRbrZA2IT/WUXX0 T/Li5W3EEe/3DJpOX4j5auGqRd+1Nz/ozpwUmYWPJingXeH/5UrJMJHTU2OByOQrrl8RoaSW +vFxbelyWLVlz9F5gSNz94X2mVTKlLjFVDmZkh+AsBOsTAezsAG6ZvXAdJHAathZ5RlqPgqo DlFncTYpQ7EpcQgksxFO/VTO3kW0aGrZNYrLFDn2fF/wXEqfFP17PppXHsZZ7cz2dlcAW5Nr /VFBxoSO0Xra+KemNpXS8Fmh9g4asLxNZwRvWtsizzcELAnTdbKXs0m5/cGhHFq2poIR6aYP ZZFAdZsRE2ojxlnNE0eDpEWl/2hmXf4aTEepVeI46s7pWHOpOB0+OK9YIGPJ4DWHK25mG6Uj 0L82jT/Ly1ZC8yNyjSE7yyjmbXmyHaTtIU6T+XjpqQw0TV/3Fc7DBwQSEv+oea8jUiWRd1SM QoX9zAooKx081akJvH5XhulsFaeuRMXWJ9NCKs85R3l4qjY7gKHD3IJZiVcc9Fgv8gzLQHGz XfXx5azWWYq6u3QEy7BsKyIpC+zMm4JNWADIyQDSE0M/rEPvb3fkDrWYdlkQJSa1OfeOg7bw z+J9iFjqJ8M2JtjO7qAwXjLhDelp57sRwEz5xnKUm/N0u+fTNP7D2BPwQWLhcusPLp1XXHE5 yNUxJHChAwaJcjQzXbVGLtl8KSBva7tDdHKvbJ4N7Acn9hH00WycYZd8VmSz28zap5cEdMFS Gnepktq44JPPDOVZKt6eOqM5ykCk/ClT4i/E6qEK4ASPt5qaAab/SooeVaf3ibml01qmLxX1 XannSSEUSly5UdPlmHeqwIhPVgDn39W+I8rbcqnpylLKJLHDJJvdZ8LMUGVcscy576erQPe/ r53bpXakkgPC7GkPXaPoeb/yGzmy1BmW/gaTOQKJ4a+zvZOQjhJ5wL5m+x7KtA1w8y5aM+Rr izmBye0N2YTdVWccV7aMCoyAF8edYpnojo6OzAhJ1ClxxAejXWHss8im28MVeB/roReIQtcE 6FtlzOoXq0RFlwqOl01MfHAkWCVXE7x3lneZHH+P2VXklwJb1Whx+IItzDHrEEmZhdbf+Nky 1F5/lKCHcgwVE55AdzIafmi6Vq0sDJP0KhxRkbEaJ0bMknl7IEgeWS7g+4VMvM8D0zJ5gKb8 AKKXjYeh+3G+LEu/Pfz2KurkoaOEslFJHR8IVX117iNGBPhzjKR+rMYCOesVhLBZVzw45SnN Ll0zemjEfgpn2RqkotbEpRpxqcQvOnq9q5o5VlgFkX2cl2UM65REkSH+eJttaR94KBTliXre 0CI+/hcYa6oPuG8GnEvBQMVVMax/tBKpSv38tIOP1Tc5gV72JGlQHdiFUCApwIFJYQkLb5/5 /kqvfAnzjCWiz0oA46gtT9V/WHdFU4wefwrmb9CCbC6lzdx7E9JZKHdLSrE4JuvTdFoGWtyK x+2gJvyvZht9nDgQVESS0eUhfF8gK4Qsi9k1FUBflSFuuTUj88NgSF+z24FcRR3/D5mjcRDY nNmJm9kF5Wopj1IvvVOb0qoOgNGBSCaxHDP9ks0pDXZYXWFBm3pB08hCNmJ53Ecoj59fCAE3 bS2y1TFcDfNfePw1xsIS2pgje3SfdB0/Fbgm+SiIdiJJMQiUxG4gqOVRHEpriH/Cpgbn3z3p uhN/cdxZ5bkNCUWnbYJNomC2ZkUSzGGPGZnU9g42I8oR0TyICqT3xqKIGCPIvJ9HeTAqxKEO pY/N/BxWASb/wfQiDIiXIonAaJ+xdwt7/o8IoLbH3YM6eajn2A4oaDr13bMgUEwSI9Tiuc7E ITacgyCHkG2hXd5n2zsrtFOClGnYOsrNRHN4+SozNonT54zkvlgUUUX4IuGu3+4NAhG/RXNs jjTOI7Q7ehpkrp3k6XWT65sOgSTKPHIbtquzjydidp0UI7wAZ/8jD9N8ljDFCZKDIQVQOVyx Oisssao/Ubrv4QWcmH+mruDHKxnvve3DftlGZ/zJklngCK9YdLd0yYC30uaKpV5tsxXyef6Z gm/aeq2LcU0XfUEzlJrSiFuKTQvIIWpUbXFugWGsOWqCDIR9SflPeGX3yblQk8DfxBZJqCkL BH/vsifw+xxraNONUciPO5nCZopG23Tc/IqWPOpvAbJE1TypE2Jv4bjsh8S6TvrLH2gO+Si6 LLnQinOTjiDiJvq/vp47bMr5gY2CUxji9YeZkgeot56qw6rBV48cNgyD880NYF2oAfTirfIP T3DVT53Q2G1FzFJag7179nfTx+STL5GcMvwIjsyuViYcWGqDYeHG6Fs7Tpk/2wwQDb40eW7M psLzxUc5PRqLk1BHo7/PsCGvNo= IronPort-HdrOrdr: A9a23:x3NlJatXpRn6UcqQI1lX3kM/7skDrNV00zEX/kB9WHVpm6yj/f xGUs576faSskdpZJlD8ersBEDkex/hHPFOkOos1NuZMzUO/VHYSL2KjrGSpQEIZReOlNK1vJ 0IG8ND4Z/LfD9HZK3BgDVQfexP/DEJnZrY/ds2t00dKD2Cc5sQkzuRFDzrb3GemzM2fqbQxf Knl7B6mwY= X-Talos-CUID: 9a23:5WWwS2/n/tYcd0Qh776Vv1c7Fcd1SFKH9lzzHGS4BmUzQeC6Y0DFrQ== X-Talos-MUID: 9a23:tAAvdwk5PcSgWCxwzq3gdnpuHedSxvSoJXxOroUUuMeFKHJ/JG202WE= X-IronPort-Anti-Spam-Filtered: true Received: from 60-242-28-244.static.tpgi.com.au (HELO bits.crawford.emu.id.au) ([60.242.28.244]) by ipmail03.adl2.internode.on.net with ESMTP; 16 Apr 2023 13:55:33 +0930 Received: from agc.crawford.emu.id.au (agc.crawford.emu.id.au [IPv6:fdd2:7aad:d478:1:0:0:cb10:cc07]) (authenticated bits=0) by bits.crawford.emu.id.au (8.17.1/8.17.1) with ESMTPSA id 33G4PCj33415316 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NO); Sun, 16 Apr 2023 14:25:28 +1000 Authentication-Results: bits.crawford.emu.id.au; arc=none smtp.remote-ip=fdd2:7aad:d478:1::cb10:cc07 DKIM-Filter: OpenDKIM Filter v2.11.0 bits.crawford.emu.id.au 33G4PCj33415316 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=crawford.emu.id.au; s=s1; t=1681619128; bh=JbYOTgMbk5IKKqjYsYlQvml8l3PzjdpEW1kEeeNYd3w=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pBXOJOYn84PmU0cSv3FzUQbN/GARSr6OUDecwDKFKY4b6i6MP0RwIthqCXswxsufc XSNk/6hUtxV0jJwWa+BmiWuEuO5PY0muOiRR6mWbRbELIzZstNVGveI6Q9bdsjIfg9 kaXjkQNkYj7Ah1nkM57m/wWDebBupUz2egHjnKvAEca7XOY+ze5XxJ3Re2CspM5/3Y aJSZszFPBXREVEq75exmY96rl7g8XVn/0aUdqoX4Z4ryAOvIs9fUrEQq3huekjLr2p JAVHqCUAR1m3Xnm0UE6L6jaB5b1+tXHtkdhLmIvKG79XgJypkI3VLzZVH75PzDDRpm 51Q+Ww5UeePSA== From: Frank Crawford To: Jean Delvare , Guenter Roeck Cc: linux-hwmon@vger.kernel.org, Frank Crawford Subject: [PATCH v2 2/4] hwmon: (it87) Test for error in it87_update_device Date: Sun, 16 Apr 2023 14:25:08 +1000 Message-Id: <20230416042510.1929077-3-frank@crawford.emu.id.au> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230416042510.1929077-1-frank@crawford.emu.id.au> References: <20230416042510.1929077-1-frank@crawford.emu.id.au> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.6.4 (bits.crawford.emu.id.au [IPv6:fdd2:7aad:d478:1:0:0:cb10:cc01]); Sun, 16 Apr 2023 14:25:28 +1000 (AEST) X-Virus-Scanned: clamav-milter 0.103.8 at bits.crawford.emu.id.au X-Virus-Status: Clean Precedence: bulk List-ID: X-Mailing-List: linux-hwmon@vger.kernel.org Handle errors from it87_update_device(), which currently only occurs if SMBus access locking fails. Signed-off-by: Frank Crawford --- v2: * Reorder patches within patchset. --- drivers/hwmon/it87.c | 48 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c index b74dd861f0fe..920fb9b6b2e2 100644 --- a/drivers/hwmon/it87.c +++ b/drivers/hwmon/it87.c @@ -942,6 +942,9 @@ static ssize_t show_in(struct device *dev, struct device_attribute *attr, int index = sattr->index; int nr = sattr->nr; + if (IS_ERR(data)) + return PTR_ERR(data); + return sprintf(buf, "%d\n", in_from_reg(data, nr, data->in[nr][index])); } @@ -1030,6 +1033,9 @@ static ssize_t show_temp(struct device *dev, struct device_attribute *attr, int index = sattr->index; struct it87_data *data = it87_update_device(dev); + if (IS_ERR(data)) + return PTR_ERR(data); + return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[nr][index])); } @@ -1107,6 +1113,9 @@ static ssize_t show_temp_type(struct device *dev, struct device_attribute *attr, u8 reg = data->sensor; /* In case value is updated while used */ u8 extra = data->extra; + if (IS_ERR(data)) + return PTR_ERR(data); + if ((has_temp_peci(data, nr) && (reg >> 6 == nr + 1)) || (has_temp_old_peci(data, nr) && (extra & 0x80))) return sprintf(buf, "6\n"); /* Intel PECI */ @@ -1197,6 +1206,9 @@ static ssize_t show_fan(struct device *dev, struct device_attribute *attr, int speed; struct it87_data *data = it87_update_device(dev); + if (IS_ERR(data)) + return PTR_ERR(data); + speed = has_16bit_fans(data) ? FAN16_FROM_REG(data->fan[nr][index]) : FAN_FROM_REG(data->fan[nr][index], @@ -1211,6 +1223,9 @@ static ssize_t show_fan_div(struct device *dev, struct device_attribute *attr, struct it87_data *data = it87_update_device(dev); int nr = sensor_attr->index; + if (IS_ERR(data)) + return PTR_ERR(data); + return sprintf(buf, "%lu\n", DIV_FROM_REG(data->fan_div[nr])); } @@ -1221,6 +1236,9 @@ static ssize_t show_pwm_enable(struct device *dev, struct it87_data *data = it87_update_device(dev); int nr = sensor_attr->index; + if (IS_ERR(data)) + return PTR_ERR(data); + return sprintf(buf, "%d\n", pwm_mode(data, nr)); } @@ -1231,6 +1249,9 @@ static ssize_t show_pwm(struct device *dev, struct device_attribute *attr, struct it87_data *data = it87_update_device(dev); int nr = sensor_attr->index; + if (IS_ERR(data)) + return PTR_ERR(data); + return sprintf(buf, "%d\n", pwm_from_reg(data, data->pwm_duty[nr])); } @@ -1244,6 +1265,9 @@ static ssize_t show_pwm_freq(struct device *dev, struct device_attribute *attr, unsigned int freq; int index; + if (IS_ERR(data)) + return PTR_ERR(data); + if (has_pwm_freq2(data) && nr == 1) index = (data->extra >> 4) & 0x07; else @@ -1531,6 +1555,9 @@ static ssize_t show_pwm_temp_map(struct device *dev, int nr = sensor_attr->index; int map; + if (IS_ERR(data)) + return PTR_ERR(data); + map = data->pwm_temp_map[nr]; if (map >= 3) map = 0; /* Should never happen */ @@ -1595,6 +1622,9 @@ static ssize_t show_auto_pwm(struct device *dev, struct device_attribute *attr, int nr = sensor_attr->nr; int point = sensor_attr->index; + if (IS_ERR(data)) + return PTR_ERR(data); + return sprintf(buf, "%d\n", pwm_from_reg(data, data->auto_pwm[nr][point])); } @@ -1631,6 +1661,9 @@ static ssize_t show_auto_pwm_slope(struct device *dev, struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); int nr = sensor_attr->index; + if (IS_ERR(data)) + return PTR_ERR(data); + return sprintf(buf, "%d\n", data->auto_pwm[nr][1] & 0x7f); } @@ -1664,6 +1697,9 @@ static ssize_t show_auto_temp(struct device *dev, struct device_attribute *attr, int point = sensor_attr->index; int reg; + if (IS_ERR(data)) + return PTR_ERR(data); + if (has_old_autopwm(data) || point) reg = data->auto_temp[nr][point]; else @@ -1884,6 +1920,9 @@ static ssize_t alarms_show(struct device *dev, struct device_attribute *attr, { struct it87_data *data = it87_update_device(dev); + if (IS_ERR(data)) + return PTR_ERR(data); + return sprintf(buf, "%u\n", data->alarms); } static DEVICE_ATTR_RO(alarms); @@ -1894,6 +1933,9 @@ static ssize_t show_alarm(struct device *dev, struct device_attribute *attr, struct it87_data *data = it87_update_device(dev); int bitnr = to_sensor_dev_attr(attr)->index; + if (IS_ERR(data)) + return PTR_ERR(data); + return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1); } @@ -1949,6 +1991,9 @@ static ssize_t show_beep(struct device *dev, struct device_attribute *attr, struct it87_data *data = it87_update_device(dev); int bitnr = to_sensor_dev_attr(attr)->index; + if (IS_ERR(data)) + return PTR_ERR(data); + return sprintf(buf, "%u\n", (data->beeps >> bitnr) & 1); } @@ -2022,6 +2067,9 @@ static ssize_t cpu0_vid_show(struct device *dev, { struct it87_data *data = it87_update_device(dev); + if (IS_ERR(data)) + return PTR_ERR(data); + return sprintf(buf, "%ld\n", (long)vid_from_reg(data->vid, data->vrm)); } static DEVICE_ATTR_RO(cpu0_vid); -- 2.39.2