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Code Issues Releases Wiki Activity

staging:iio:accel:adis16xxx: Do not return error code in the interrupt handler

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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 0b30246ef1
commit 67bd5e26d4
5 changed files with 15 additions and 10 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
drivers/staging/iio/accel/adis16201_ring.c
View file

@ -70,7 +70,7 @@ static irqreturn_t adis16201_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)
@ -85,8 +85,9 @@ static irqreturn_t adis16201_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;
}

5
drivers/staging/iio/accel/adis16203_ring.c
View file

@ -69,7 +69,7 @@ static irqreturn_t adis16203_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) &&
@ -86,8 +86,9 @@ static irqreturn_t adis16203_trigger_handler(int irq, void *p)
(u8 *)data,
pf->timestamp);
iio_trigger_notify_done(indio_dev->trig);
kfree(data);
done:
iio_trigger_notify_done(indio_dev->trig);
return IRQ_HANDLED;
}

5
drivers/staging/iio/accel/adis16204_ring.c
View file

@ -66,7 +66,7 @@ static irqreturn_t adis16204_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) &&
@ -81,8 +81,9 @@ static irqreturn_t adis16204_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;
}

5
drivers/staging/iio/accel/adis16209_ring.c
View file

@ -66,7 +66,7 @@ static irqreturn_t adis16209_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) &&
@ -81,8 +81,9 @@ static irqreturn_t adis16209_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;
}

5
drivers/staging/iio/accel/adis16240_ring.c
View file

@ -64,7 +64,7 @@ static irqreturn_t adis16240_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) &&
@ -79,8 +79,9 @@ static irqreturn_t adis16240_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;
}