ARM: 6119/1: kdump: skip indirection page when crashing
When we are crashing there is no indirection page in place. Only
control page is present.
Signed-off-by: Mika Westerberg <ext-mika.1.westerberg@nokia.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/kernel/relocate_kernel.S b/arch/arm/kernel/relocate_kernel.S
index 61930eb..fd26f8d 100644
--- a/arch/arm/kernel/relocate_kernel.S
+++ b/arch/arm/kernel/relocate_kernel.S
@@ -10,6 +10,12 @@
ldr r0,kexec_indirection_page
ldr r1,kexec_start_address
+ /*
+ * If there is no indirection page (we are doing crashdumps)
+ * skip any relocation.
+ */
+ cmp r0, #0
+ beq 2f
0: /* top, read another word for the indirection page */
ldr r3, [r0],#4