system/freebsd-src
system/freebsd-src
1
0
Fork 0
mirror of https://github.com/freebsd/freebsd-src synced 2024-10-17 22:04:40 +00:00
Code Issues Packages Projects Releases Wiki Activity

Don't attach throttling if the P_BLK is 0, even if the P_BLK_LEN is 6.

Browse source 
This is more strict but no known systems have this problem.
This commit is contained in:
Nate Lawson 2003-12-28 22:15:24 +00:00
parent 6162a5f91a
commit 5016979369
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=123942
1 changed files with 1 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
sys/dev/acpica/acpi_cpu.c
View file

@ -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;