blackfin/uaccess: fix sparse errors

virtio wants to read bitwise types from userspace using get_user.  At the
moment this triggers sparse errors, since the value is passed through an
integer.

Fix that up using __force.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Steven Miao <realmz6@gmail.com>

diff --git a/arch/blackfin/include/asm/uaccess.h b/arch/blackfin/include/asm/uaccess.h
index 57701c3b8a591b35b60d88807c1d1f479b018423..2dcc9303355df04080897f50a9bc5c16f84153fe 100644 (file)
--- a/arch/blackfin/include/asm/uaccess.h
+++ b/arch/blackfin/include/asm/uaccess.h
@@ -147,7 +147,7 @@ static inline int bad_user_access_length(void)
                }                                               \
        } else                                                  \
                _err = -EFAULT;                                 \
-       x = (typeof(*(ptr)))_val;                               \
+       x = (__force typeof(*(ptr)))_val;                       \
        _err;                                                   \
 })