Date: Sun, 2 Dec 2018 13:27:36 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r341399 - head/sys/dev/acpica Message-ID: <201812021327.wB2DRaoc011103@repo.freebsd.org>
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Author: kib Date: Sun Dec 2 13:27:36 2018 New Revision: 341399 URL: https://svnweb.freebsd.org/changeset/base/341399 Log: Fix off by one in hpet_mmap() csw method. Reported by: C Turt <ecturt@gmail.com> Reviewed by: alc, markj Tested by: pho admbug: 781 MFC after: 2 weeks Sponsored by: The FreeBSD Foundation Modified: head/sys/dev/acpica/acpi_hpet.c Modified: head/sys/dev/acpica/acpi_hpet.c ============================================================================== --- head/sys/dev/acpica/acpi_hpet.c Sun Dec 2 13:16:46 2018 (r341398) +++ head/sys/dev/acpica/acpi_hpet.c Sun Dec 2 13:27:36 2018 (r341399) @@ -396,7 +396,7 @@ hpet_mmap(struct cdev *cdev, vm_ooffset_t offset, vm_p struct hpet_softc *sc; sc = cdev->si_drv1; - if (offset > rman_get_size(sc->mem_res)) + if (offset >= rman_get_size(sc->mem_res)) return (EINVAL); if (!sc->mmap_allow_write && (nprot & PROT_WRITE)) return (EPERM);
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