arm: mach-omap2: devices: fix omap3_l3_init() return value

Fix the return value for the successful case.

Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index 0d2d6a9..d478f53f 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -65,7 +65,7 @@
 
 	WARN(IS_ERR(od), "could not build omap_device for %s\n", oh_name);
 
-	return PTR_ERR(od);
+	return IS_ERR(od) ? PTR_ERR(od) : 0;
 }
 postcore_initcall(omap3_l3_init);