From dacd9b80355525be0e3c519687868410e304ad1c Mon Sep 17 00:00:00 2001
From: Yu Luming <luming.yu@intel.com>
Date: Sat, 31 Dec 2005 01:45:00 -0500
Subject: [ACPI] fix acpi_os_wait_sempahore() finite timeout case (AE_TIME
warning)
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 <luming.yu@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
drivers/acpi/osl.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
(limited to 'drivers/acpi')
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index e3cd0b1..8653dac 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -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);
}
--
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