Date: Tue, 25 Mar 2014 23:13:46 +0000 (UTC) From: Mateusz Guzik <mjg@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r263753 - head/sys/kern Message-ID: <201403252313.s2PNDkT6047415@svn.freebsd.org>
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Author: mjg Date: Tue Mar 25 23:13:46 2014 New Revision: 263753 URL: http://svnweb.freebsd.org/changeset/base/263753 Log: Remove lockless check in devopen, while correct it does not make much sense. Suggested by: imp MFC after: 6 days Modified: head/sys/kern/subr_bus.c Modified: head/sys/kern/subr_bus.c ============================================================================== --- head/sys/kern/subr_bus.c Tue Mar 25 22:49:33 2014 (r263752) +++ head/sys/kern/subr_bus.c Tue Mar 25 23:13:46 2014 (r263753) @@ -421,8 +421,6 @@ static int devopen(struct cdev *dev, int oflags, int devtype, struct thread *td) { - if (devsoftc.inuse) - return (EBUSY); mtx_lock(&devsoftc.mtx); if (devsoftc.inuse) { mtx_unlock(&devsoftc.mtx);
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