[PATCH 05/18] blackfin/uaccess: fix sparse errors

Michael S. Tsirkin
2014-12-14T16:52:40Z

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>
---
arch/blackfin/include/asm/uaccess.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/blackfin/include/asm/uaccess.h b/arch/blackfin/include/asm/uaccess.h
index 57701c3..6a46e7d 100644
--- 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; \
})

--
MST