nios2/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.
Suggested-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Ley Foon Tan <lftan@altera.com>
diff --git a/arch/nios2/include/asm/uaccess.h b/arch/nios2/include/asm/uaccess.h
index acedc0a..caa51ff 100644
--- a/arch/nios2/include/asm/uaccess.h
+++ b/arch/nios2/include/asm/uaccess.h
@@ -168,7 +168,7 @@
const __typeof__(*(ptr)) __user *__gu_ptr = (ptr); \
unsigned long __gu_val; \
__get_user_common(__gu_val, sizeof(*(ptr)), __gu_ptr, __gu_err);\
- (x) = (__typeof__(x))__gu_val; \
+ (x) = (__force __typeof__(x))__gu_val; \
__gu_err; \
})
@@ -180,7 +180,7 @@
if (access_ok(VERIFY_READ, __gu_ptr, sizeof(*__gu_ptr))) \
__get_user_common(__gu_val, sizeof(*__gu_ptr), \
__gu_ptr, __gu_err); \
- (x) = (__typeof__(x))__gu_val; \
+ (x) = (__force __typeof__(x))__gu_val; \
__gu_err; \
})