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authorNuno Sa <nuno.sa@analog.com>2021-04-22 12:19:04 +0200
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2021-05-17 13:49:06 +0100
commitab3df79782e7d8a27a58576c9b4e8c6c4879ad79 (patch)
tree6bedee27aff90128441a6788b84652442f6751e7 /drivers/iio/imu
parentiio: adis_buffer: do not return ints in irq handlers (diff)
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iio: adis16400: do not return ints in irq handlers
On an IRQ handler we should not return normal error codes as 'irqreturn_t' is expected. Not necessary to apply to stable as the original check cannot fail and as such the bug cannot actually occur. Fixes: 5eda3550a3cc1 ("staging:iio:adis16400: Preallocate transfer message") Reviewed-by: Alexandru Ardelean <ardeleanalex@gmail.com> Signed-off-by: Nuno Sa <nuno.sa@analog.com> Link: https://lore.kernel.org/r/20210422101911.135630-3-nuno.sa@analog.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/iio/imu')
-rw-r--r--drivers/iio/imu/adis16400.c3
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/iio/imu/adis16400.c b/drivers/iio/imu/adis16400.c
index 768aa493a1a6..b2f92b55b910 100644
--- a/drivers/iio/imu/adis16400.c
+++ b/drivers/iio/imu/adis16400.c
@@ -645,9 +645,6 @@ static irqreturn_t adis16400_trigger_handler(int irq, void *p)
void *buffer;
int ret;
- if (!adis->buffer)
- return -ENOMEM;
-
if (!(st->variant->flags & ADIS16400_NO_BURST) &&
st->adis.spi->max_speed_hz > ADIS16400_SPI_BURST) {
st->adis.spi->max_speed_hz = ADIS16400_SPI_BURST;