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Initialize acpi buffer structs early in order to avoid freeing

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unallocated pointers later in done: section.
This commit is contained in:
kan 2003-12-18 17:04:11 +00:00
parent 077011779a
commit 0b3829726c
1 changed files with 3 additions and 3 deletions
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6
sys/dev/acpica/acpi_pcib.c
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@ -125,6 +125,9 @@ acpi_pcib_route_interrupt(device_t pcib, device_t dev, int pin,
ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
buf.Pointer = NULL;
crsbuf.Pointer = NULL;
prsbuf.Pointer = NULL;
interrupt = 255;
/* ACPI numbers pins 0-3, not 1-4 like the BIOS */
@ -184,7 +187,6 @@ acpi_pcib_route_interrupt(device_t pcib, device_t dev, int pin,
/*
* Verify that this is a PCI link device, and that it's present.
*/
buf.Pointer = NULL;
buf.Length = ACPI_ALLOCATE_BUFFER;
if (ACPI_FAILURE(AcpiGetObjectInfo(lnkdev, &buf))) {
device_printf(pcib, "couldn't validate PCI interrupt link device %s\n",
@ -210,14 +212,12 @@ acpi_pcib_route_interrupt(device_t pcib, device_t dev, int pin,
/*
* Get the current and possible resources for the interrupt link device.
*/
crsbuf.Pointer = NULL;
crsbuf.Length = ACPI_ALLOCATE_BUFFER;
if (ACPI_FAILURE(status = AcpiGetCurrentResources(lnkdev, &crsbuf))) {
device_printf(pcib, "couldn't get PCI interrupt link device _CRS data - %s\n",
AcpiFormatException(status));
goto out; /* this is fatal */
}
prsbuf.Pointer = NULL;
prsbuf.Length = ACPI_ALLOCATE_BUFFER;
if (ACPI_FAILURE(status = AcpiGetPossibleResources(lnkdev, &prsbuf))) {
device_printf(pcib, "couldn't get PCI interrupt link device _PRS data - %s\n",