Messages in this thread Patch in this message | | | Date | Tue, 6 Jan 2015 17:43:59 +0200 | From | "Michael S. Tsirkin" <> | Subject | [PATCH v2 09/40] metag/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> --- arch/metag/include/asm/uaccess.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/metag/include/asm/uaccess.h b/arch/metag/include/asm/uaccess.h index 0748b0a..c314b45 100644 --- a/arch/metag/include/asm/uaccess.h +++ b/arch/metag/include/asm/uaccess.h @@ -135,7 +135,7 @@ extern long __get_user_bad(void); ({ \ long __gu_err, __gu_val; \ __get_user_size(__gu_val, (ptr), (size), __gu_err); \ - (x) = (__typeof__(*(ptr)))__gu_val; \ + (x) = (__force __typeof__(*(ptr)))__gu_val; \ __gu_err; \ }) @@ -145,7 +145,7 @@ extern long __get_user_bad(void); const __typeof__(*(ptr)) __user *__gu_addr = (ptr); \ if (access_ok(VERIFY_READ, __gu_addr, size)) \ __get_user_size(__gu_val, __gu_addr, (size), __gu_err); \ - (x) = (__typeof__(*(ptr)))__gu_val; \ + (x) = (__force __typeof__(*(ptr)))__gu_val; \ __gu_err; \ }) -- MST
| |