From: Randy Dunlap <randy.dunlap@oracle.com>
Date: Wed, 14 Feb 2007 00:11:36 +0000 (-0800)
Subject: ACPI: Fix sparse warnings
X-Git-Tag: v2.6.21-rc1~92^2~8
X-Git-Url: https://git.kernelconcepts.de/?a=commitdiff_plain;h=70c0846e430881967776582e13aefb81407919f1;p=karo-tx-linux.git

ACPI: Fix sparse warnings

Use NULL for pointers

drivers/acpi/osl.c:208:10: warning: Using plain integer as NULL pointer
drivers/acpi/tables/tbxface.c:411:49: warning: Using plain integer as NULL pointer
drivers/acpi/processor_core.c:1008:10: warning: Using plain integer as NULL pointer

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---

diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 0f6f3bcbc8eb..63060a17f7ed 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -205,7 +205,7 @@ void __iomem *acpi_os_map_memory(acpi_physical_address phys, acpi_size size)
 {
 	if (phys > ULONG_MAX) {
 		printk(KERN_ERR PREFIX "Cannot map memory that high\n");
-		return 0;
+		return NULL;
 	}
 	if (acpi_gbl_permanent_mmap)
 		/*
diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
index 61d976e7af5a..4b3d15fa507a 100644
--- a/drivers/acpi/processor_core.c
+++ b/drivers/acpi/processor_core.c
@@ -1005,7 +1005,7 @@ static int __init acpi_processor_init(void)
 #ifdef CONFIG_SMP
 	if (ACPI_FAILURE(acpi_get_table(ACPI_SIG_MADT, 0,
 				(struct acpi_table_header **)&madt)))
-		madt = 0;
+		madt = NULL;
 #endif
 
 	acpi_processor_dir = proc_mkdir(ACPI_PROCESSOR_CLASS, acpi_root_dir);
diff --git a/drivers/acpi/tables/tbxface.c b/drivers/acpi/tables/tbxface.c
index 807978d5381a..81937003fd53 100644
--- a/drivers/acpi/tables/tbxface.c
+++ b/drivers/acpi/tables/tbxface.c
@@ -408,7 +408,7 @@ acpi_get_table(char *signature,
 		}
 
 		if (!acpi_gbl_permanent_mmap) {
-			acpi_gbl_root_table_list.tables[i].pointer = 0;
+			acpi_gbl_root_table_list.tables[i].pointer = NULL;
 		}
 
 		return (status);