Message ID | 20210301080421.13436-1-dinghao.liu@zju.edu.cn (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | iio: gyro: mpu3050: Fix error handling in mpu3050_trigger_handler | expand |
On Mon, Mar 1, 2021 at 9:04 AM Dinghao Liu <dinghao.liu@zju.edu.cn> wrote: > 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. > > Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn> OK that makes sense. Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Yours, Linus Walleij
On Tue, 2 Mar 2021 16:45:10 +0100 Linus Walleij <linus.walleij@linaro.org> wrote: > On Mon, Mar 1, 2021 at 9:04 AM Dinghao Liu <dinghao.liu@zju.edu.cn> wrote: > > > 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. > > > > Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn> > > OK that makes sense. > Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Applied with a fixes tag (it goes all the way back) and marked for stable. Thanks, Jonathan > > Yours, > Linus Walleij
diff --git a/drivers/iio/gyro/mpu3050-core.c b/drivers/iio/gyro/mpu3050-core.c index dfa31a23500f..ac90be03332a 100644 --- a/drivers/iio/gyro/mpu3050-core.c +++ b/drivers/iio/gyro/mpu3050-core.c @@ -551,6 +551,8 @@ static irqreturn_t mpu3050_trigger_handler(int irq, void *p) MPU3050_FIFO_R, &fifo_values[offset], toread); + if (ret) + goto out_trigger_unlock; dev_dbg(mpu3050->dev, "%04x %04x %04x %04x %04x\n",
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. Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn> --- drivers/iio/gyro/mpu3050-core.c | 2 ++ 1 file changed, 2 insertions(+)