Staging: iio: test for failed allocation
We should return test to see if iio_allocate_trigger() fails and return -ENOMEM.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/staging/iio/accel/lis3l02dq_ring.c b/drivers/staging/iio/accel/lis3l02dq_ring.c
index 9371243..a4d97ea 100644
--- a/drivers/staging/iio/accel/lis3l02dq_ring.c
+++ b/drivers/staging/iio/accel/lis3l02dq_ring.c
@@ -493,6 +493,9 @@
struct lis3l02dq_state *state = indio_dev->dev_data;
state->trig = iio_allocate_trigger();
+ if (!state->trig)
+ return -ENOMEM;
+
state->trig->name = kmalloc(IIO_TRIGGER_NAME_LENGTH, GFP_KERNEL);
if (!state->trig->name) {
ret = -ENOMEM;