1 files changed, 2 insertions, 1 deletions

diff --git a/arch/sh/kernel/signal.c b/arch/sh/kernel/signal.c
index e323e299878b..706d81ccd101 100644
--- a/arch/sh/kernel/signal.c
+++ b/arch/sh/kernel/signal.c
@@ -23,6 +23,7 @@
 #include <linux/personality.h>
 #include <linux/binfmts.h>
 #include <linux/freezer.h>
+#include <linux/io.h>
 #include <asm/system.h>
 #include <asm/ucontext.h>
 #include <asm/uaccess.h>
@@ -261,7 +262,7 @@ asmlinkage int sys_rt_sigreturn(unsigned long r4, unsigned long r5,
                 goto badframe;
         /* It is more difficult to avoid calling this function than to
            call it and ignore errors.  */
-        do_sigaltstack(&st, NULL, regs->regs[15]);
+        do_sigaltstack((const stack_t __user *)&st, NULL, (unsigned long)frame);
 
         return r0;