From 5a98f880fa7bdb340bd788f1a14bb1b9a1327a0d Mon Sep 17 00:00:00 2001 From: mjacob Date: Wed, 11 Jul 2001 02:24:28 +0000 Subject: Sanity guard- return ENODEV if we don't have a good IRQ resource. --- sys/alpha/isa/isa.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'sys') diff --git a/sys/alpha/isa/isa.c b/sys/alpha/isa/isa.c index 48404b8..95c7d58 100644 --- a/sys/alpha/isa/isa.c +++ b/sys/alpha/isa/isa.c @@ -338,6 +338,9 @@ isa_setup_intr(device_t dev, device_t child, return platform.isa_setup_intr(dev, child, irq, flags, intr, arg, cookiep); + if (irq == NULL) + return ENODEV; + error = rman_activate_resource(irq); if (error) return error; -- cgit v1.1