MIPS: Netlogic: Warn on invalid irq
Warn and return if invalid IRQ is passed to nlm_set_pic_extra_ack.
Signed-off-by: Jayachandran C <jchandra@broadcom.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/6862/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/netlogic/common/irq.c b/arch/mips/netlogic/common/irq.c
index 5afc4b7..c100b9a 100644
--- a/arch/mips/netlogic/common/irq.c
+++ b/arch/mips/netlogic/common/irq.c
@@ -203,6 +203,8 @@
xirq = nlm_irq_to_xirq(node, irq);
pic_data = irq_get_handler_data(xirq);
+ if (WARN_ON(!pic_data))
+ return;
pic_data->extra_ack = xack;
}