[MIPS] DEC: pt_regs fixes for buserror handlers

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/dec/kn01-berr.c b/arch/mips/dec/kn01-berr.c
index b9271db..f19b461 100644
--- a/arch/mips/dec/kn01-berr.c
+++ b/arch/mips/dec/kn01-berr.c
@@ -150,10 +150,10 @@
 	return dec_kn01_be_backend(regs, is_fixup, 0);
 }
 
-irqreturn_t dec_kn01_be_interrupt(int irq, void *dev_id,
-				    struct pt_regs *regs)
+irqreturn_t dec_kn01_be_interrupt(int irq, void *dev_id)
 {
 	volatile u16 *csr = (void *)CKSEG1ADDR(KN01_SLOT_BASE + KN01_CSR);
+	struct pt_regs *regs = get_irq_regs();
 	int action;
 
 	if (!(*csr & KN01_CSR_MEMERR))