1 files changed, 3 insertions, 3 deletions

diff --git a/arch/s390/kernel/compat_signal.c b/arch/s390/kernel/compat_signal.c
index 861888ab8c13..8d17b2ab6f21 100644
--- a/arch/s390/kernel/compat_signal.c
+++ b/arch/s390/kernel/compat_signal.c
@@ -275,8 +275,8 @@ sys32_sigaltstack(const stack_t32 __user *uss, stack_t32 __user *uoss,
         }
 
         set_fs (KERNEL_DS);
-        ret = do_sigaltstack((stack_t __user *) (uss ? &kss : NULL),
-                             (stack_t __user *) (uoss ? &koss : NULL),
+        ret = do_sigaltstack((stack_t __force __user *) (uss ? &kss : NULL),
+                             (stack_t __force __user *) (uoss ? &koss : NULL),
                              regs->gprs[15]);
         set_fs (old_fs);
 
@@ -401,7 +401,7 @@ asmlinkage long sys32_rt_sigreturn(struct pt_regs *regs)
                 goto badframe; 
 
         set_fs (KERNEL_DS);
-        do_sigaltstack((stack_t __user *)&st, NULL, regs->gprs[15]);
+        do_sigaltstack((stack_t __force __user *)&st, NULL, regs->gprs[15]);
         set_fs (old_fs);
 
         return regs->gprs[2];