From d877539ad8e8fdde9af69887055fec6402be1a13 Mon Sep 17 00:00:00 2001 From: Nuno Sa Date: Thu, 22 Apr 2021 12:19:03 +0200 Subject: [PATCH] iio: adis_buffer: do not return ints in irq handlers On an IRQ handler we should not return normal error codes as 'irqreturn_t' is expected. Not necessarily stable material as the old check cannot fail, so it's a bug we can not hit. Fixes: ccd2b52f4ac69 ("staging:iio: Add common ADIS library") Reviewed-by: Alexandru Ardelean Signed-off-by: Nuno Sa Link: https://lore.kernel.org/r/20210422101911.135630-2-nuno.sa@analog.com Signed-off-by: Jonathan Cameron --- drivers/iio/imu/adis_buffer.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/drivers/iio/imu/adis_buffer.c b/drivers/iio/imu/adis_buffer.c index ac354321f63a3..175af154e4437 100644 --- a/drivers/iio/imu/adis_buffer.c +++ b/drivers/iio/imu/adis_buffer.c @@ -129,9 +129,6 @@ static irqreturn_t adis_trigger_handler(int irq, void *p) struct adis *adis = iio_device_get_drvdata(indio_dev); int ret; - if (!adis->buffer) - return -ENOMEM; - if (adis->data->has_paging) { mutex_lock(&adis->state_lock); if (adis->current_page != 0) {