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| author | Alexander Motin <mav@FreeBSD.org> | 2021-09-22 12:42:36 +0000 |
|---|---|---|
| committer | Alexander Motin <mav@FreeBSD.org> | 2021-09-22 12:44:39 +0000 |
| commit | 884f38590c3cc0b1a2c00904c1f1f6c791376308 (patch) | |
| tree | 8655359a7f28303bc5a5b6f8c006235f05db68a9 | |
| parent | cd9254a7d330758f0322b967709b09f7b43cf843 (diff) | |
| download | src-884f38590c3cc0b1a2c00904c1f1f6c791376308.tar.gz src-884f38590c3cc0b1a2c00904c1f1f6c791376308.zip | |
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
| -rw-r--r-- | sys/kern/subr_bus.c | 2 |
1 files changed, 2 insertions, 0 deletions
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); |