There are few 'else' keywords which are redundant in
acpi_os_get_root_pointer(). Refactor function to get rid of them.
While here, switch to pr_err() instead of printk(KERN_ERR ...).
Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
drivers/acpi/osl.c | 15 +++++----------
1 file changed, 5 insertions(+), 10 deletions(-)
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 35230cd..5bef0f65 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -188,6 +188,8 @@ early_param("acpi_rsdp", setup_acpi_rsdp);
acpi_physical_address __init acpi_os_get_root_pointer(void)
{
+ acpi_physical_address pa = 0;
+
#ifdef CONFIG_KEXEC
if (acpi_rsdp)
return acpi_rsdp;
@@ -196,21 +198,14 @@ acpi_physical_address __init acpi_os_get_root_pointer(void)
if (efi_enabled(EFI_CONFIG_TABLES)) {
if (efi.acpi20 != EFI_INVALID_TABLE_ADDR)
return efi.acpi20;
- else if (efi.acpi != EFI_INVALID_TABLE_ADDR)
+ if (efi.acpi != EFI_INVALID_TABLE_ADDR)
return efi.acpi;
- else {
- printk(KERN_ERR PREFIX
- "System description tables not found\n");
- return 0;
- }
+ pr_err(PREFIX "System description tables not found\n");
} else if (IS_ENABLED(CONFIG_ACPI_LEGACY_TABLES_LOOKUP)) {
- acpi_physical_address pa = 0;
-
acpi_find_root_pointer(&pa);
- return pa;
}
- return 0;
+ return pa;
}
/* Must be called with 'acpi_ioremap_lock' or RCU read lock held. */
--
2.10.2
--
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