Commit de3b9fe9 authored by Dan Carpenter's avatar Dan Carpenter Committed by Jonathan Cameron
Browse files

iio:dac:ad3552r: Fix an IS_ERR() vs NULL check 



The fwnode_get_named_child_node() function does not return error
pointers.  It returns NULL.  Update the check accordingly.

Fixes: 8f2b5482 ("drivers:iio:dac: Add AD3552R driver support")
Signed-off-by: default avatarDan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: default avatarNuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20220404114244.GA19201@kili


Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
parent d79478a7

drivers/iio/dac/ad3552r.c

+2 −2
Original line number Diff line number Diff line
@@ -809,10 +809,10 @@ static int ad3552r_configure_custom_gain(struct ad3552r_desc *dac, 


	gain_child = fwnode_get_named_child_node(child,

						 "custom-output-range-config");

	if (IS_ERR(gain_child)) {

	if (!gain_child) {

		dev_err(dev,

			"mandatory custom-output-range-config property missing\n");

		return PTR_ERR(gain_child);

		return -EINVAL;

	}



	dac->ch_data[ch].range_override = 1;