mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-08-27 11:19:37 +00:00
Code Issues Releases Wiki Activity

staging:iio:adis16260: Do not return error code in the interrupt handler

Browse source 
The interrupt handler should only ever return one of the three irqreturn_t
constants and not an error code. Also make sure to always call
iio_trigger_notify_done before leaving the trigger handler.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Lars-Peter Clausen 2012-07-04 17:09:00 +01:00 committed by Jonathan Cameron
parent 67bd5e26d4
commit b82ed7d680
1 changed files with 3 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
drivers/staging/iio/gyro/adis16260_ring.c
View file

@ -69,7 +69,7 @@ static irqreturn_t adis16260_trigger_handler(int irq, void *p)
data = kmalloc(indio_dev->scan_bytes, GFP_KERNEL);
if (data == NULL) {
dev_err(&st->us->dev, "memory alloc failed in ring bh");
return -ENOMEM;
goto done;
}
if (!bitmap_empty(indio_dev->active_scan_mask, indio_dev->masklength) &&
@ -84,8 +84,9 @@ static irqreturn_t adis16260_trigger_handler(int irq, void *p)
ring->access->store_to(ring, (u8 *)data, pf->timestamp);
iio_trigger_notify_done(indio_dev->trig);
kfree(data);
done:
iio_trigger_notify_done(indio_dev->trig);
return IRQ_HANDLED;
}