Date: Wed, 17 Feb 2010 10:15:17 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-7@freebsd.org Subject: svn commit: r203996 - stable/7/sys/kern Message-ID: <201002171015.o1HAFHhV010506@svn.freebsd.org>
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Author: kib Date: Wed Feb 17 10:15:17 2010 New Revision: 203996 URL: http://svn.freebsd.org/changeset/base/203996 Log: MFC r203875: Do not leak process lock when current thread is not allowed to see target. Approved by: re (bz) Modified: stable/7/sys/kern/kern_event.c Directory Properties: stable/7/sys/ (props changed) stable/7/sys/cddl/contrib/opensolaris/ (props changed) stable/7/sys/contrib/dev/acpica/ (props changed) stable/7/sys/contrib/pf/ (props changed) Modified: stable/7/sys/kern/kern_event.c ============================================================================== --- stable/7/sys/kern/kern_event.c Wed Feb 17 09:51:19 2010 (r203995) +++ stable/7/sys/kern/kern_event.c Wed Feb 17 10:15:17 2010 (r203996) @@ -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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