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[ACPI] fix acpi_os_wait_sempahore() finite timeout case (AE_TIME warning)

Browse source 
Before this fix, the finite timeout case
behaved like the no-timeout (trylock) case.

http://bugzilla.kernel.org/show_bug.cgi?id=4588

Signed-off-by: Luming Yu <[email protected]>
Signed-off-by: Len Brown <[email protected]>
This commit is contained in:
Yu Luming 2005-12-31 01:45:00 -05:00 • committed by Len Brown
commit dacd9b8035
1 changed files with 1 additions and 1 deletions
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2
drivers/acpi/osl.c
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@ -836,7 +836,7 @@ acpi_status acpi_os_wait_semaphore(acpi_handle handle, u32 units, u16 timeout)
static const int quantum_ms = 1000 / HZ;
ret = down_trylock(sem);
for (i = timeout; (i > 0 && ret < 0); i -= quantum_ms) {
for (i = timeout; (i > 0 && ret != 0); i -= quantum_ms) {
schedule_timeout_interruptible(1);
ret = down_trylock(sem);
}