[S390] sparse: fix sparse warnings with __user pointers

Use __force to quiet sparse warnings about user address space.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

1 files changed, 4 insertions, 2 deletions

diff --git a/arch/s390/lib/uaccess_pt.c b/arch/s390/lib/uaccess_pt.c
index 74833831417f..342ae35a5ba9 100644
--- a/arch/s390/lib/uaccess_pt.c
+++ b/arch/s390/lib/uaccess_pt.c
@@ -342,7 +342,8 @@ int futex_atomic_op_pt(int op, u32 __user *uaddr, int oparg, int *old)
         if (segment_eq(get_fs(), KERNEL_DS))
                 return __futex_atomic_op_pt(op, uaddr, oparg, old);
         spin_lock(&current->mm->page_table_lock);
-        uaddr = (int __user *) __dat_user_addr((unsigned long) uaddr);
+        uaddr = (u32 __force __user *)
+                __dat_user_addr((__force unsigned long) uaddr);
         if (!uaddr) {
                 spin_unlock(&current->mm->page_table_lock);
                 return -EFAULT;
@@ -378,7 +379,8 @@ int futex_atomic_cmpxchg_pt(u32 *uval, u32 __user *uaddr,
         if (segment_eq(get_fs(), KERNEL_DS))
                 return __futex_atomic_cmpxchg_pt(uval, uaddr, oldval, newval);
         spin_lock(&current->mm->page_table_lock);
-        uaddr = (int __user *) __dat_user_addr((unsigned long) uaddr);
+        uaddr = (u32 __force __user *)
+                __dat_user_addr((__force unsigned long) uaddr);
         if (!uaddr) {
                 spin_unlock(&current->mm->page_table_lock);
                 return -EFAULT;