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authormjacob <mjacob@FreeBSD.org>2001-07-11 02:24:28 +0000
committermjacob <mjacob@FreeBSD.org>2001-07-11 02:24:28 +0000
commit5a98f880fa7bdb340bd788f1a14bb1b9a1327a0d (patch)
treee33a34c7af5641f56c318c0caee8bf95422ee340 /sys/alpha/isa
parenta896ae072f0bc9e5b8eda9413da3d760bb3d8395 (diff)
downloadFreeBSD-src-5a98f880fa7bdb340bd788f1a14bb1b9a1327a0d.zip
FreeBSD-src-5a98f880fa7bdb340bd788f1a14bb1b9a1327a0d.tar.gz
Sanity guard- return ENODEV if we don't have a good IRQ resource.
Diffstat (limited to 'sys/alpha/isa')
-rw-r--r--sys/alpha/isa/isa.c3
1 files changed, 3 insertions, 0 deletions
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;
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