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Added error checking after all mutex acquires and most mutex releases.

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date	2002.02.12.23.57.00;	author rmoore1;	state Exp;
This commit is contained in:
aystarik 2005-06-29 16:56:06 +00:00
parent 6732541530
commit ce4f051e41
1 changed files with 28 additions and 11 deletions
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39
source/components/hardware/hwregs.c
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@ -3,7 +3,7 @@
*
* Module Name: hwregs - Read/write access functions for the various ACPI
* control and status registers.
* $Revision: 1.118 $
* $Revision: 1.119 $
*
******************************************************************************/
@ -144,6 +144,7 @@ AcpiHwClearAcpiStatus (void)
{
NATIVE_UINT i;
NATIVE_UINT GpeBlock;
ACPI_STATUS Status;
ACPI_FUNCTION_TRACE ("HwClearAcpiStatus");
@ -154,7 +155,11 @@ AcpiHwClearAcpiStatus (void)
(UINT16) ACPI_GET_ADDRESS (AcpiGbl_FADT->XPm1aEvtBlk.Address)));
AcpiUtAcquireMutex (ACPI_MTX_HARDWARE);
Status = AcpiUtAcquireMutex (ACPI_MTX_HARDWARE);
if (ACPI_FAILURE (Status))
{
return_VOID;
}
AcpiHwRegisterWrite (ACPI_MTX_DO_NOT_LOCK, ACPI_REGISTER_PM1_STATUS,
ACPI_BITMASK_ALL_FIXED_STATUS);
@ -180,7 +185,7 @@ AcpiHwClearAcpiStatus (void)
}
}
AcpiUtReleaseMutex (ACPI_MTX_HARDWARE);
(void) AcpiUtReleaseMutex (ACPI_MTX_HARDWARE);
return_VOID;
}
@ -341,7 +346,10 @@ AcpiHwBitRegisterRead (
if (Flags & ACPI_MTX_LOCK)
{
AcpiUtAcquireMutex (ACPI_MTX_HARDWARE);
if (ACPI_FAILURE (AcpiUtAcquireMutex (ACPI_MTX_HARDWARE)))
{
return_VALUE (0);
}
}
/* Get the info structure corresponding to the requested ACPI Register */
@ -356,7 +364,7 @@ AcpiHwBitRegisterRead (
if (Flags & ACPI_MTX_LOCK)
{
AcpiUtReleaseMutex (ACPI_MTX_HARDWARE);
(void) AcpiUtReleaseMutex (ACPI_MTX_HARDWARE);
}
/* Normalize the value that was read */
@ -399,7 +407,10 @@ AcpiHwBitRegisterWrite (
if (Flags & ACPI_MTX_LOCK)
{
AcpiUtAcquireMutex (ACPI_MTX_HARDWARE);
if (ACPI_FAILURE (AcpiUtAcquireMutex (ACPI_MTX_HARDWARE)))
{
return_VALUE (0);
}
}
/* Get the info structure corresponding to the requested ACPI Register */
@ -491,7 +502,7 @@ AcpiHwBitRegisterWrite (
if (Flags & ACPI_MTX_LOCK)
{
AcpiUtReleaseMutex (ACPI_MTX_HARDWARE);
(void) AcpiUtReleaseMutex (ACPI_MTX_HARDWARE);
}
/* Normalize the value that was read */
@ -531,7 +542,10 @@ AcpiHwRegisterRead (
if (ACPI_MTX_LOCK == UseLock)
{
AcpiUtAcquireMutex (ACPI_MTX_HARDWARE);
if (ACPI_FAILURE (AcpiUtAcquireMutex (ACPI_MTX_HARDWARE)))
{
return_VALUE (0);
}
}
switch (RegisterId)
@ -581,7 +595,7 @@ AcpiHwRegisterRead (
if (ACPI_MTX_LOCK == UseLock)
{
AcpiUtReleaseMutex (ACPI_MTX_HARDWARE);
(void) AcpiUtReleaseMutex (ACPI_MTX_HARDWARE);
}
return_VALUE (Value);
@ -616,7 +630,10 @@ AcpiHwRegisterWrite (
if (ACPI_MTX_LOCK == UseLock)
{
AcpiUtAcquireMutex (ACPI_MTX_HARDWARE);
if (ACPI_FAILURE (AcpiUtAcquireMutex (ACPI_MTX_HARDWARE)))
{
return_VOID;
}
}
switch (RegisterId)
@ -682,7 +699,7 @@ AcpiHwRegisterWrite (
if (ACPI_MTX_LOCK == UseLock)
{
AcpiUtReleaseMutex (ACPI_MTX_HARDWARE);
(void) AcpiUtReleaseMutex (ACPI_MTX_HARDWARE);
}
return_VOID;