Date: Wed, 22 Sep 2021 12:44:49 GMT From: Alexander Motin <mav@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: 884f38590c3c - main - Fix false device_set_unit() error. Message-ID: <202109221244.18MCinjK085371@gitrepo.freebsd.org>
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The branch main has been updated by mav: URL: https://cgit.FreeBSD.org/src/commit/?id=884f38590c3cc0b1a2c00904c1f1f6c791376308 commit 884f38590c3cc0b1a2c00904c1f1f6c791376308 Author: Alexander Motin <mav@FreeBSD.org> AuthorDate: 2021-09-22 12:42:36 +0000 Commit: Alexander Motin <mav@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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