The branch main has been updated by mav:
URL:
https://cgit.FreeBSD.org/src/commit/?id=884f38590c3cc0b1a2c00904c1f1f6c791376308
commit 884f38590c3cc0b1a2c00904c1f1f6c791376308
Author: Alexander Motin <m...@freebsd.org>
AuthorDate: 2021-09-22 12:42:36 +0000
Commit: Alexander Motin <m...@freebsd.org>
CommitDate: 2021-09-22 12:44:39 +0000
Fix false device_set_unit() error.
It should silently succeed if the current unit number is the same as
requested, not fail immediately.
MFC after: 1 week
---
sys/kern/subr_bus.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/sys/kern/subr_bus.c b/sys/kern/subr_bus.c
index 1f580f455dc0..5e1b561155bb 100644
--- a/sys/kern/subr_bus.c
+++ b/sys/kern/subr_bus.c
@@ -3145,6 +3145,8 @@ device_set_unit(device_t dev, int unit)
devclass_t dc;
int err;
+ if (unit == dev->unit)
+ return (0);
dc = device_get_devclass(dev);
if (unit < dc->maxunit && dc->devices[unit])
return (EBUSY);
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