Shaohua Li 9090589d87 ACPI: convert acpi_device_lock spinlock to mutex ...

Convert acpi_device_lock to a mutex to avoid
a potential race upon access to /proc/acpi/wakeup

Delete the lock entirely in wakeup.c
since it is not necessary (and can not sleep)

Found-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>

2009-04-07 00:02:40 -04:00

324 B

Raw Blame History

View Raw