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[84.253.208.48]) by smtp.gmail.com with ESMTPSA id 38308e7fff4ca-381224de76csm6356391fa.10.2025.12.19.07.48.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 19 Dec 2025 07:48:53 -0800 (PST) From: Kari Argillander Date: Fri, 19 Dec 2025 17:48:15 +0200 Subject: [PATCH 2/2] hwmon: Use sysfs_emit in show function callsbacks Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20251219-hwmon-fixes-v1-2-21b29097ea3b@gmail.com> References: <20251219-hwmon-fixes-v1-0-21b29097ea3b@gmail.com> In-Reply-To: <20251219-hwmon-fixes-v1-0-21b29097ea3b@gmail.com> To: Kari Argillander , Guenter Roeck Cc: linux-hwmon@vger.kernel.org, linux-kernel@vger.kernel.org X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1766159330; l=1530; i=kari.argillander@gmail.com; s=20251219; h=from:subject:message-id; bh=uHiA5FhcPLryQ8ugAxpypmlpj7SFCrfJ3SjCiilkFFg=; b=A+nWb7oXCmtaGF0cVl0FtZi2O6GY5Lz17fZwLZyFJ7Y/kYUFz5hIBTb9dut+4bQyNmnX4FODf d4lQWwuYtH3Cp5RgcjoSk9pVhtE/waVT2lkXr16R5iWL2zxHJ7jRi7d X-Developer-Key: i=kari.argillander@gmail.com; a=ed25519; pk=RwSxyhTpE3z4sywdDbIkC3q33ZQLNyhYWxT44iTY6r4= Use sysfs_emit() over sprintf() to prevent potential overflows. In hwmon_attr_show() that is totally impossible but looking other places many still use sysfs_emit(). Also according Documentation/filesystems/sysfs.rst code should use sysfs_emit(). Signed-off-by: Kari Argillander --- drivers/hwmon/hwmon.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/hwmon/hwmon.c b/drivers/hwmon/hwmon.c index 7a784d685d77..714caa6a36a3 100644 --- a/drivers/hwmon/hwmon.c +++ b/drivers/hwmon/hwmon.c @@ -73,7 +73,7 @@ struct hwmon_thermal_data { static ssize_t name_show(struct device *dev, struct device_attribute *attr, char *buf) { - return sprintf(buf, "%s\n", to_hwmon_device(dev)->name); + return sysfs_emit(buf, "%s\n", to_hwmon_device(dev)->name); } static DEVICE_ATTR_RO(name); =20 @@ -446,7 +446,7 @@ static ssize_t hwmon_attr_show(struct device *dev, trace_hwmon_attr_show(hattr->index + hwmon_attr_base(hattr->type), hattr->name, val64); =20 - return sprintf(buf, "%lld\n", val64); + return sysfs_emit(buf, "%lld\n", val64); } =20 static ssize_t hwmon_attr_show_string(struct device *dev, @@ -469,7 +469,7 @@ static ssize_t hwmon_attr_show_string(struct device *de= v, trace_hwmon_attr_show_string(hattr->index + hwmon_attr_base(type), hattr->name, s); =20 - return sprintf(buf, "%s\n", s); + return sysfs_emit(buf, "%s\n", s); } =20 static ssize_t hwmon_attr_store(struct device *dev, --=20 2.43.0