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Sat, 24 Oct 2026 20:06:23 -0700 (PDT) Received: from dtor-ws.sjc.corp.google.com ([2a00:79e0:2ebe:8:8fe4:693:7158:24de]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-369e8ec9276sm20245992eec.25.2026.10.24.20.06.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 24 Oct 2026 20:06:23 -0700 (PDT) From: Dmitry Torokhov Date: Sat, 24 Oct 2026 20:06:14 -0700 Subject: [PATCH 11/31] hwmon: (pmbus/dps920ab) use 4-argument i2c_smbus_read_block_data() X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20261024-hwmon-i2c-smbus-read-block-data-v1-11-e81941ad0cd3@gmail.com> References: <20261024-hwmon-i2c-smbus-read-block-data-v1-0-e81941ad0cd3@gmail.com> In-Reply-To: <20261024-hwmon-i2c-smbus-read-block-data-v1-0-e81941ad0cd3@gmail.com> To: Guenter Roeck , Cosmo Chou , Andy Chung , Ninad Palsule , Abdurrahman Hussain , Robert Marko , Delphine CC Chiu , Daniel Nilsson Cc: linux-hwmon@vger.kernel.org, linux-kernel@vger.kernel.org X-Mailer: b4 0.17-dev-e56a4 Pass sizeof(buf) - 1 to i2c_smbus_read_block_data() in dps920ab_probe() to leave space for the NUL terminator. Signed-off-by: Dmitry Torokhov --- drivers/hwmon/pmbus/dps920ab.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/hwmon/pmbus/dps920ab.c b/drivers/hwmon/pmbus/dps920ab.c index 0d2901c314c2..694b5f386df5 100644 --- a/drivers/hwmon/pmbus/dps920ab.c +++ b/drivers/hwmon/pmbus/dps920ab.c @@ -143,7 +143,8 @@ static int dps920ab_probe(struct i2c_client *client) if (!data) return -ENOMEM; - ret = i2c_smbus_read_block_data(client, PMBUS_MFR_ID, buf); + ret = i2c_smbus_read_block_data(client, PMBUS_MFR_ID, + sizeof(buf) - 1, buf); if (ret < 0) { dev_err(&client->dev, "Failed to read Manufacturer ID\n"); return ret; @@ -159,7 +160,8 @@ static int dps920ab_probe(struct i2c_client *client) if (!data->mfr_id) return -ENOMEM; - ret = i2c_smbus_read_block_data(client, PMBUS_MFR_MODEL, buf); + ret = i2c_smbus_read_block_data(client, PMBUS_MFR_MODEL, + sizeof(buf) - 1, buf); if (ret < 0) { dev_err(&client->dev, "Failed to read Manufacturer Model\n"); return ret; -- 2.56.0.257.gf7497c7d27-goog