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Sun, 30 Aug 2026 11:54:03 -0700 (PDT) From: Donggeun Yoo To: Jonathan Cameron Cc: David Lechner , =?UTF-8?q?Nuno=20S=C3=A1?= , Andy Shevchenko , Joshua Crofts , linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, Donggeun Yoo Subject: [PATCH v2] iio: light: vcnl4000: use sysfs_emit() for near_level Date: Mon, 31 Aug 2026 03:53:45 +0900 Message-ID: <20260830185345.2209268-1-donggeunyoo.kernel@gmail.com> X-Mailer: git-send-email 2.53.0 Precedence: bulk X-Mailing-List: linux-iio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Use sysfs_emit() instead of sprintf() for writing to the sysfs output buffer. sysfs_emit() is aware of the buffer's PAGE_SIZE limit and is the preferred helper for sysfs callbacks. Signed-off-by: Donggeun Yoo --- v1 -> v2: Add #include for sysfs_emit() instead of relying on transitive includes. (Suggested by Joshua Crofts) v1: https://lore.kernel.org/linux-iio/20260830054237.2147950-1-donggeunyoo.kernel@gmail.com/ drivers/iio/light/vcnl4000.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/iio/light/vcnl4000.c b/drivers/iio/light/vcnl4000.c index 336468d59ea7..911f8d1c74d4 100644 --- a/drivers/iio/light/vcnl4000.c +++ b/drivers/iio/light/vcnl4000.c @@ -26,6 +26,7 @@ #include #include #include +#include #include #include @@ -1504,7 +1505,7 @@ static ssize_t vcnl4000_read_near_level(struct iio_dev *indio_dev, { struct vcnl4000_data *data = iio_priv(indio_dev); - return sprintf(buf, "%u\n", data->near_level); + return sysfs_emit(buf, "%u\n", data->near_level); } static irqreturn_t vcnl4010_irq_thread(int irq, void *p) base-commit: 350d1fb9204b13c5f95e511e98b8bcb47574d425 -- 2.53.0