Merge tag 'irqchip-fixes-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/urgent

Pull irqchip fixes from Marc Zyngier:

  A small bunch of fixes from the irqchip department:

    - Fix a couple of UAF on error paths (RZA1, GICv3 ITS)
    - Fix iMX GPCv2 trigger setting
    - Add missing of_node_put on error path in MBIGEN
    - Add another bunch of /* fall-through */ to silence warnings

drivers/irqchip/irq-gic-v3.c

@@ -771,8 +771,10 @@ static void gic_cpu_sys_reg_init(void)
 		case 7:
 			write_gicreg(0, ICC_AP0R3_EL1);
 			write_gicreg(0, ICC_AP0R2_EL1);
+		/* Fall through */
 		case 6:
 			write_gicreg(0, ICC_AP0R1_EL1);
+		/* Fall through */
 		case 5:
 		case 4:
 			write_gicreg(0, ICC_AP0R0_EL1);
@@ -786,8 +788,10 @@ static void gic_cpu_sys_reg_init(void)
 	case 7:
 		write_gicreg(0, ICC_AP1R3_EL1);
 		write_gicreg(0, ICC_AP1R2_EL1);
+		/* Fall through */
 	case 6:
 		write_gicreg(0, ICC_AP1R1_EL1);
+		/* Fall through */
 	case 5:
 	case 4:
 		write_gicreg(0, ICC_AP1R0_EL1);