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-rw-r--r--sys/kern/subr_bus.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/kern/subr_bus.c b/sys/kern/subr_bus.c
index f202631..3f51c5c 100644
--- a/sys/kern/subr_bus.c
+++ b/sys/kern/subr_bus.c
@@ -1017,7 +1017,7 @@ devclass_driver_added(devclass_t dc, driver_t *driver)
* Call BUS_DRIVER_ADDED for any existing busses in this class.
*/
for (i = 0; i < dc->maxunit; i++)
- if (dc->devices[i])
+ if (dc->devices[i] && device_is_attached(dc->devices[i]))
BUS_DRIVER_ADDED(dc->devices[i], driver);
/*
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