---

yaml --- r: 136338 b: refs/heads/master c: 05876f8 h: refs/heads/master v: v3
git-mirror · Feb 9, 2009 · 7852fc8 · 7852fc8
1 parent 50a9d3d
commit 7852fc8
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Showing 3 changed files with 12 additions and 4 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: eecb9a697f0b790e5840dae8a8b866bea49a86ee
+refs/heads/master: 05876f88ed9a66b26af613e222795ae790616252
diff --git a/trunk/arch/x86/kernel/acpi/boot.c b/trunk/arch/x86/kernel/acpi/boot.c
@@ -124,12 +124,14 @@ char *__init __acpi_map_table(unsigned long phys, unsigned long size)
 	static char *prev_map;
 	static unsigned long prev_size;
 
+	if (prev_map) {
+		early_iounmap(prev_map, prev_size);
+		prev_map = NULL;
+	}
+
 	if (!phys || !size)
 		return NULL;
 
-	if (prev_map)
-		early_iounmap(prev_map, prev_size);
-
 	prev_size = size;
 	prev_map = early_ioremap(phys, size);
 

diff --git a/trunk/drivers/acpi/bus.c b/trunk/drivers/acpi/bus.c
@@ -694,6 +694,12 @@ void __init acpi_early_init(void)
 	if (!acpi_strict)
 		acpi_gbl_enable_interpreter_slack = TRUE;
 
+	/*
+	 * Doing a zero-sized mapping will clear out the previous
+	 * __acpi_map_table() mapping, if any.
+	 */
+	__acpi_map_table(0, 0);
+
 	acpi_gbl_permanent_mmap = 1;
 
 	status = acpi_reallocate_root_table();