From 7c3cce978e4f933ac13758ec5d2554fc8d0927d2 Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@davemloft.net>
Date: Thu, 3 Apr 2008 15:07:24 -0700
Subject: [PATCH] [SPARC64]: Fix FPU saving in 64-bit signal handling.
The calculation of the FPU reg save area pointer
was wrong.
Based upon an OOPS report from Tom Callaway.
Signed-off-by: David S. Miller <davem@davemloft.net>
---
arch/sparc64/kernel/signal.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/sparc64/kernel/signal.c b/arch/sparc64/kernel/signal.c
index 94a9d64208e..9d51956e8e2 100644
--- a/arch/sparc64/kernel/signal.c
+++ b/arch/sparc64/kernel/signal.c
@@ -357,7 +357,7 @@ static int invalid_frame_pointer(void __user *fp, int fplen)
static inline int
save_fpu_state(struct pt_regs *regs, __siginfo_fpu_t __user *fpu)
{
- unsigned long *fpregs = (unsigned long *)(regs+1);
+ unsigned long *fpregs = current_thread_info()->fpregs;
unsigned long fprs;
int err = 0;
--
2.41.3