sh: Fix bogus regs pointer in do_IRQ().

SH-3 and SH-4 were trampling the register, and SH-2 wasn't even
setting it in the first place. This ended up with some rather
broken behaviour in the sysrq show_regs().

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/arch/sh/kernel/cpu/sh2/entry.S b/arch/sh/kernel/cpu/sh2/entry.S
index 7f7d292f36e..c16dc8fec48 100644
--- a/arch/sh/kernel/cpu/sh2/entry.S
+++ b/arch/sh/kernel/cpu/sh2/entry.S
@@ -165,6 +165,7 @@ ENTRY(exception_handler)
 
 interrupt_entry:
         mov     r9,r4
+        mov     r15,r5
         mov.l   6f,r9
         mov.l   7f,r8
         jmp     @r8