Date: Wed, 17 Feb 2010 10:21:00 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-releng@freebsd.org Subject: svn commit: r203997 - releng/7.3/sys/kern Message-ID: <201002171021.o1HAL0Yc014031@svn.freebsd.org>
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Author: kib Date: Wed Feb 17 10:21:00 2010 New Revision: 203997 URL: http://svn.freebsd.org/changeset/base/203997 Log: MFC r203875: Do not leak process lock when current thread is not allowed to see target. Approved by: re (bz) Modified: releng/7.3/sys/kern/kern_event.c Directory Properties: releng/7.3/sys/ (props changed) releng/7.3/sys/cddl/contrib/opensolaris/ (props changed) releng/7.3/sys/contrib/dev/acpica/ (props changed) releng/7.3/sys/contrib/pf/ (props changed) Modified: releng/7.3/sys/kern/kern_event.c ============================================================================== --- releng/7.3/sys/kern/kern_event.c Wed Feb 17 10:15:17 2010 (r203996) +++ releng/7.3/sys/kern/kern_event.c Wed Feb 17 10:21:00 2010 (r203997) @@ -323,8 +323,10 @@ filt_procattach(struct knote *kn) if (p == NULL) return (ESRCH); - if ((error = p_cansee(curthread, p))) + if ((error = p_cansee(curthread, p))) { + PROC_UNLOCK(p); return (error); + } kn->kn_ptr.p_proc = p; kn->kn_flags |= EV_CLEAR; /* automatically set */
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