irqchip: Drop leftover brackets

Drop some unnecessary brackets in platform_irqchip_probe() mistakenly
left by commit 9322d19 ("irqchip: Plug a OF node reference leak in
platform_irqchip_probe()").

Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Author: jhovold

drivers/irqchip/irqchip.c

@@ -38,9 +38,8 @@ int platform_irqchip_probe(struct platform_device *pdev)
 	struct device_node *par_np __free(device_node) = of_irq_find_parent(np);
 	of_irq_init_cb_t irq_init_cb = of_device_get_match_data(&pdev->dev);
 
-	if (!irq_init_cb) {
+	if (!irq_init_cb)
 		return -EINVAL;
-	}
 
 	if (par_np == np)
 		par_np = NULL;
@@ -53,9 +52,8 @@ int platform_irqchip_probe(struct platform_device *pdev)
 	 * interrupt controller. The actual initialization callback of this
 	 * interrupt controller can check for specific domains as necessary.
 	 */
-	if (par_np && !irq_find_matching_host(par_np, DOMAIN_BUS_ANY)) {
+	if (par_np && !irq_find_matching_host(par_np, DOMAIN_BUS_ANY))
 		return -EPROBE_DEFER;
-	}
 
 	return irq_init_cb(np, par_np);
 }