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Subject[PATCH 5.10 128/157] iio: gyro: mpu3050: Fix error handling in mpu3050_trigger_handler
Date
From: Dinghao Liu <dinghao.liu@zju.edu.cn>

commit 6dbbbe4cfd398704b72b21c1d4a5d3807e909d60 upstream.

There is one regmap_bulk_read() call in mpu3050_trigger_handler
that we have caught its return value bug lack further handling.
Check and terminate the execution flow just like the other three
regmap_bulk_read() calls in this function.

Fixes: 3904b28efb2c7 ("iio: gyro: Add driver for the MPU-3050 gyroscope")
Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20210301080421.13436-1-dinghao.liu@zju.edu.cn
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/iio/gyro/mpu3050-core.c | 2 ++
1 file changed, 2 insertions(+)

--- a/drivers/iio/gyro/mpu3050-core.c
+++ b/drivers/iio/gyro/mpu3050-core.c
@@ -550,6 +550,8 @@ static irqreturn_t mpu3050_trigger_handl
MPU3050_FIFO_R,
&fifo_values[offset],
toread);
+ if (ret)
+ goto out_trigger_unlock;

dev_dbg(mpu3050->dev,
"%04x %04x %04x %04x %04x\n",

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