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-rw-r--r--drivers/acpi/Kconfig2
-rw-r--r--drivers/acpi/osl.c2
-rw-r--r--drivers/acpi/pci_root.c9
-rw-r--r--drivers/acpi/processor_core.c4
4 files changed, 9 insertions, 8 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index b0897a0b206..1639998e4d2 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -11,7 +11,7 @@ config ACPI
bool "ACPI Support"
depends on IA64 || X86
depends on PCI
- select PM
+ depends on PM
default y
---help---
Advanced Configuration and Power Interface (ACPI) support for
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index b7ca020a056..57ae1e5cde0 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -1032,7 +1032,7 @@ acpi_status
acpi_os_create_cache(char *name, u16 size, u16 depth, acpi_cache_t ** cache)
{
*cache = kmem_cache_create(name, size, 0, 0, NULL, NULL);
- if (cache == NULL)
+ if (*cache == NULL)
return AE_ERROR;
else
return AE_OK;
diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
index 03e03741c14..b9c52cdbf65 100644
--- a/drivers/acpi/pci_root.c
+++ b/drivers/acpi/pci_root.c
@@ -98,11 +98,12 @@ void acpi_pci_unregister_driver(struct acpi_pci_driver *driver)
struct acpi_pci_driver **pptr = &sub_driver;
while (*pptr) {
- if (*pptr != driver)
- continue;
- *pptr = (*pptr)->next;
- break;
+ if (*pptr == driver)
+ break;
+ pptr = &(*pptr)->next;
}
+ BUG_ON(!*pptr);
+ *pptr = (*pptr)->next;
if (!driver->remove)
return;
diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
index 3e70a08e4a8..89b3610feb4 100644
--- a/drivers/acpi/processor_core.c
+++ b/drivers/acpi/processor_core.c
@@ -901,13 +901,13 @@ static int __init acpi_processor_init(void)
acpi_processor_dir = proc_mkdir(ACPI_PROCESSOR_CLASS, acpi_root_dir);
if (!acpi_processor_dir)
- return 0;
+ return -ENOMEM;
acpi_processor_dir->owner = THIS_MODULE;
result = acpi_bus_register_driver(&acpi_processor_driver);
if (result < 0) {
remove_proc_entry(ACPI_PROCESSOR_CLASS, acpi_root_dir);
- return 0;
+ return result;
}
acpi_processor_install_hotplug_notify();