From d1ba71f7645696020864fe3cea3049befbe50408 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Wed, 27 Oct 2010 16:58:22 +0900
Subject: sh64: oprofile: Fix up kernel stack pointer size mismatch.

For the backtrace code its assumed that the stack pointer is 32-bits,
which is not the case with the sh64 registers. Use the shared
kernel_stack_pointer() helper to get at the actual register, which
already takes care of the necessary typecasting.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/oprofile/backtrace.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'arch')

diff --git a/arch/sh/oprofile/backtrace.c b/arch/sh/oprofile/backtrace.c
index 2bc74de23f08..37f3a75ea6cb 100644
--- a/arch/sh/oprofile/backtrace.c
+++ b/arch/sh/oprofile/backtrace.c
@@ -91,7 +91,7 @@ void sh_backtrace(struct pt_regs * const regs, unsigned int depth)
 	if (depth > backtrace_limit)
 		depth = backtrace_limit;
 
-	stackaddr = (unsigned long *)regs->regs[15];
+	stackaddr = (unsigned long *)kernel_stack_pointer(regs);
 	if (!user_mode(regs)) {
 		if (depth)
 			unwind_stack(NULL, regs, stackaddr,
-- 
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