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| author | njl <njl@FreeBSD.org> | 2003-12-28 22:15:24 +0000 |
|---|---|---|
| committer | njl <njl@FreeBSD.org> | 2003-12-28 22:15:24 +0000 |
| commit | a400451c24b3881ae450416ffbccb451b65ff011 (patch) | |
| tree | 66cb0674e00b48ca5e95713d12690a3bef17672b | |
| parent | 95eb81d2abe0a3b73215fb93f0c73474e74e2fd2 (diff) | |
| download | FreeBSD-src-a400451c24b3881ae450416ffbccb451b65ff011.zip FreeBSD-src-a400451c24b3881ae450416ffbccb451b65ff011.tar.gz | |
Don't attach throttling if the P_BLK is 0, even if the P_BLK_LEN is 6.
This is more strict but no known systems have this problem.
| -rw-r--r-- | sys/dev/acpica/acpi_cpu.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/dev/acpica/acpi_cpu.c b/sys/dev/acpica/acpi_cpu.c index 8ef9655..5601b35 100644 --- a/sys/dev/acpica/acpi_cpu.c +++ b/sys/dev/acpica/acpi_cpu.c @@ -395,7 +395,7 @@ acpi_cpu_throttle_probe(struct acpi_cpu_softc *sc) /* If _PTC not present or other failure, try the P_BLK. */ if (sc->cpu_p_cnt == NULL) { /* The spec says P_BLK must be at least 6 bytes long. */ - if (sc->cpu_p_blk_len != 6) + if (sc->cpu_p_blk == 0 || sc->cpu_p_blk_len != 6) return (ENXIO); gas.Address = sc->cpu_p_blk; gas.AddressSpaceId = ACPI_ADR_SPACE_SYSTEM_IO; |
