irqchip/mbigen: Checking for IS_ERR() instead of NULL

of_platform_device_create() returns NULL on error, it never returns
error pointers.

Fixes: ed2a1002d25c ('irqchip/mbigen: Handle multiple device nodes in a mbigen module')
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/irqchip/irq-mbigen.c b/drivers/irqchip/irq-mbigen.c
index d67baa231c13..03b79b061d24 100644
--- a/drivers/irqchip/irq-mbigen.c
+++ b/drivers/irqchip/irq-mbigen.c
@@ -263,8 +263,8 @@ static int mbigen_device_probe(struct platform_device *pdev)
 
                 parent = platform_bus_type.dev_root;
                 child = of_platform_device_create(np, NULL, parent);
-                if (IS_ERR(child))
-                        return PTR_ERR(child);
+                if (!child)
+                        return -ENOMEM;
 
                 if (of_property_read_u32(child->dev.of_node, "num-pins",
                                          &num_pins) < 0) {