diff options
| -rw-r--r-- | sys/dev/acpi/acpi.c | 51 |
1 files changed, 40 insertions, 11 deletions
diff --git a/sys/dev/acpi/acpi.c b/sys/dev/acpi/acpi.c index a8d0d9a2033..a75adf3f7a1 100644 --- a/sys/dev/acpi/acpi.c +++ b/sys/dev/acpi/acpi.c @@ -1,4 +1,4 @@ -/* $OpenBSD: acpi.c,v 1.109 2007/12/02 22:18:06 fgsch Exp $ */ +/* $OpenBSD: acpi.c,v 1.110 2007/12/05 16:14:14 deraadt Exp $ */ /* * Copyright (c) 2005 Thorsten Lockert <tholo@sigmasoft.com> * Copyright (c) 2005 Jordan Hargrave <jordan@openbsd.org> @@ -39,6 +39,10 @@ #include <dev/acpi/dsdt.h> #include <machine/apmvar.h> +#define APMUNIT(dev) (minor(dev)&0xf0) +#define APMDEV(dev) (minor(dev)&0x0f) +#define APMDEV_NORMAL 0 +#define APMDEV_CTL 8 #ifdef ACPI_DEBUG int acpi_debug = 16; @@ -809,10 +813,27 @@ acpiopen(dev_t dev, int flag, int mode, struct proc *p) struct acpi_softc *sc; int error = 0; - if (!acpi_cd.cd_ndevs || minor(dev) != 0 || - !(sc = acpi_cd.cd_devs[minor(dev)])) + if (!acpi_cd.cd_ndevs || APMUNIT(dev) != 0 || + !(sc = acpi_cd.cd_devs[APMUNIT(dev)])) return (ENXIO); + switch (APMDEV(dev)) { + case APMDEV_CTL: + if (!(flag & FWRITE)) { + error = EINVAL; + break; + } + break; + case APMDEV_NORMAL: + if (!(flag & FREAD) || (flag & FWRITE)) { + error = EINVAL; + break; + } + break; + default: + error = ENXIO; + break; + } return (error); } @@ -820,12 +841,20 @@ int acpiclose(dev_t dev, int flag, int mode, struct proc *p) { struct acpi_softc *sc; + int error = 0; - if (!acpi_cd.cd_ndevs || minor(dev) != 0 || - !(sc = acpi_cd.cd_devs[minor(dev)])) + if (!acpi_cd.cd_ndevs || APMUNIT(dev) != 0 || + !(sc = acpi_cd.cd_devs[APMUNIT(dev)])) return (ENXIO); - - return (0); + switch (APMDEV(dev)) { + case APMDEV_CTL: + case APMDEV_NORMAL: + break; + default: + error = ENXIO; + break; + } + return (error); } int @@ -840,8 +869,8 @@ acpiioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p) int bats; unsigned int remaining, rem, minutes, rate; - if (!acpi_cd.cd_ndevs || minor(dev) != 0 || - !(sc = acpi_cd.cd_devs[minor(dev)])) + if (!acpi_cd.cd_ndevs || APMUNIT(dev) != 0 || + !(sc = acpi_cd.cd_devs[APMUNIT(dev)])) return (ENXIO); ACPI_LOCK(sc); @@ -947,8 +976,8 @@ acpikqfilter(dev_t dev, struct knote *kn) { struct acpi_softc *sc; - if (!acpi_cd.cd_ndevs || minor(dev) != 0 || - !(sc = acpi_cd.cd_devs[minor(dev)])) + if (!acpi_cd.cd_ndevs || APMUNIT(dev) != 0 || + !(sc = acpi_cd.cd_devs[APMUNIT(dev)])) return (ENXIO); switch (kn->kn_filter) { |