software node: fix wrong node passed to find nargs_prop

nargs_prop refers to a property located in the reference that is found
within the nargs property. Use the correct reference node in call to
property_entry_read_int_array() to retrieve the correct nargs value.

Fixes: b06184a ("software node: Add software_node_get_reference_args()")
Signed-off-by: Clément Léger <[email protected]>
Reviewed-by: Sakari Ailus <[email protected]>
Reviewed-by: Daniel Scally <[email protected]>
Acked-by: Heikki Krogerus <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>

Author: clementleger

drivers/base/swnode.c

@@ -529,7 +529,7 @@ software_node_get_reference_args(const struct fwnode_handle *fwnode,
 		return -ENOENT;
 
 	if (nargs_prop) {
-		error = property_entry_read_int_array(swnode->node->properties,
+		error = property_entry_read_int_array(ref->node->properties,
 						      nargs_prop, sizeof(u32),
 						      &nargs_prop_val, 1);
 		if (error)