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Tue, 24 Feb 2026 14:48:47 -0800 (PST) From: Ethan Tidmore To: linusw@kernel.org, jic23@kernel.org Cc: dlechner@baylibre.com, nuno.sa@analog.com, andy@kernel.org, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, Ethan Tidmore Subject: [PATCH v3 2/4] iio: gyro: mpu3050: Fix irq resource leak Date: Tue, 24 Feb 2026 16:48:16 -0600 Message-ID: <20260224224818.2452675-3-ethantidmore06@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260224224818.2452675-1-ethantidmore06@gmail.com> References: <20260224224818.2452675-1-ethantidmore06@gmail.com> Precedence: bulk X-Mailing-List: linux-iio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The interrupt handler is setup but only a few lines down if iio_trigger_register() fails the function returns without properly releasing the handler. Add cleanup goto to resolve resource leak. Detected by Smatch: drivers/iio/gyro/mpu3050-core.c:1128 mpu3050_trigger_probe() warn: 'irq' from request_threaded_irq() not released on lines: 1124. Fixes: 3904b28efb2c7 ("iio: gyro: Add driver for the MPU-3050 gyroscope") Reviewed-by: Linus Walleij Signed-off-by: Ethan Tidmore --- v3: - Remove unneeded code snippet. v2: - Use manual cleanup instead of devm_. drivers/iio/gyro/mpu3050-core.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/iio/gyro/mpu3050-core.c b/drivers/iio/gyro/mpu3050-core.c index 06162d886b59..b6e05afbe512 100644 --- a/drivers/iio/gyro/mpu3050-core.c +++ b/drivers/iio/gyro/mpu3050-core.c @@ -1121,11 +1121,16 @@ static int mpu3050_trigger_probe(struct iio_dev *indio_dev, int irq) ret = iio_trigger_register(mpu3050->trig); if (ret) - return ret; + goto err_iio_trigger; indio_dev->trig = iio_trigger_get(mpu3050->trig); return 0; + +err_iio_trigger: + free_irq(mpu3050->irq, mpu3050->trig); + + return ret; } int mpu3050_common_probe(struct device *dev, -- 2.53.0