From: Cai Huoqing Date: Thu, 21 Oct 2021 12:42:54 +0000 (+0800) Subject: iio: adc: ina2xx: Avoid double reference counting from get_task_struct/put_task_struct() X-Git-Tag: v5.17-rc1~82^2~40^2~94 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=2c4ce5041cd5d66875137a854b5e19672dce19a5;p=thirdparty%2Fkernel%2Flinux.git iio: adc: ina2xx: Avoid double reference counting from get_task_struct/put_task_struct() kthread_run() and kthread_stop() already do reference counting of the task, so remove get_task_struct/put_task_struct() to avoid double reference counting. Signed-off-by: Cai Huoqing Link: https://lore.kernel.org/r/20211021124254.3247-2-caihuoqing@baidu.com Signed-off-by: Jonathan Cameron --- diff --git a/drivers/iio/adc/ina2xx-adc.c b/drivers/iio/adc/ina2xx-adc.c index 360d7a00f60d9..352f276572384 100644 --- a/drivers/iio/adc/ina2xx-adc.c +++ b/drivers/iio/adc/ina2xx-adc.c @@ -849,7 +849,6 @@ static int ina2xx_buffer_enable(struct iio_dev *indio_dev) if (IS_ERR(task)) return PTR_ERR(task); - get_task_struct(task); chip->task = task; return 0; @@ -861,7 +860,6 @@ static int ina2xx_buffer_disable(struct iio_dev *indio_dev) if (chip->task) { kthread_stop(chip->task); - put_task_struct(chip->task); chip->task = NULL; }