linux-kernel - [PATCH] iio: Fix uninitialized variable

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Message-ID: <20241011093752.30685-1-0xff07@gmail.com>
Date: Fri, 11 Oct 2024 17:37:45 +0800
From: "Yo-Jung (Leo) Lin" <0xff07@...il.com>
To: 
Cc: linux-kernel-mentees@...ts.linuxfoundation.org,
	ricardo@...liere.net,
	skhan@...uxfoundation.org,
	0xff07@...il.com,
	Jonathan Cameron <jic23@...nel.org>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Nathan Chancellor <nathan@...nel.org>,
	Nick Desaulniers <ndesaulniers@...gle.com>,
	Bill Wendling <morbo@...gle.com>,
	Justin Stitt <justinstitt@...gle.com>,
	Vasileios Amoiridis <vassilisamir@...il.com>,
	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	Angel Iglesias <ang.iglesiasg@...il.com>,
	Adam Rizkalla <ajarizzo@...il.com>,
	linux-iio@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	llvm@...ts.linux.dev
Subject: [PATCH] iio: Fix uninitialized variable

clang found that the "offset" in bmp580_trigger_handler doesn't get
initialized before access. Add proper initialization to this variable.

Signed-off-by: Yo-Jung (Leo) Lin <0xff07@...il.com>
---
 drivers/iio/pressure/bmp280-core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iio/pressure/bmp280-core.c b/drivers/iio/pressure/bmp280-core.c
index f4df222ed0c3..7d4151826b86 100644
--- a/drivers/iio/pressure/bmp280-core.c
+++ b/drivers/iio/pressure/bmp280-core.c
@@ -2210,7 +2210,7 @@ static irqreturn_t bmp580_trigger_handler(int irq, void *p)
 	struct iio_poll_func *pf = p;
 	struct iio_dev *indio_dev = pf->indio_dev;
 	struct bmp280_data *data = iio_priv(indio_dev);
-	int ret, offset;
+	int ret, offset = 0;
 
 	guard(mutex)(&data->lock);
 
-- 
2.43.0