Date: Tue, 30 Aug 2016 01:31:03 +0000 (UTC) From: Oleksandr Tymoshenko <gonzo@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r305039 - head/sys/arm/ti Message-ID: <201608300131.u7U1V3ip011226@repo.freebsd.org>
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Author: gonzo Date: Tue Aug 30 01:31:03 2016 New Revision: 305039 URL: https://svnweb.freebsd.org/changeset/base/305039 Log: Fix TI PRUSS driver panic with INVARIANTS enabled Value passed as islocked argument to knlist_add should be consistent with actual lock state so add lock/unlock calls around knlist_add PR: 212120 Submitted by: Manuel Stuhn Modified: head/sys/arm/ti/ti_pruss.c Modified: head/sys/arm/ti/ti_pruss.c ============================================================================== --- head/sys/arm/ti/ti_pruss.c Tue Aug 30 01:01:41 2016 (r305038) +++ head/sys/arm/ti/ti_pruss.c Tue Aug 30 01:31:03 2016 (r305039) @@ -310,7 +310,9 @@ ti_pruss_kqfilter(struct cdev *cdev, str case EVFILT_READ: kn->kn_hook = sc; kn->kn_fop = &ti_pruss_kq_read; + mtx_lock(&sc->sc_mtx); knlist_add(&sc->sc_selinfo.si_note, kn, 1); + mtx_unlock(&sc->sc_mtx); break; default: return (EINVAL);
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