diff options
| author |   Ley Foon Tan <lftan@altera.com> | 2014-12-17 13:53:41 +0800 |
|---|---|---|
| committer | Ley Foon Tan <lftan@altera.com> | 2014-12-17 13:53:41 +0800 |
| commit | f1f2eac9124bf0dc82b652871f9a596bce2d3e10 (patch) | |
| tree | 0069531d60de4d0dbfbd4d121f10c998cd4f6023 /arch | |
| parent | nios2: enable "make defconfig" (diff) | |
| download | linux-dev-f1f2eac9124bf0dc82b652871f9a596bce2d3e10.tar.xz linux-dev-f1f2eac9124bf0dc82b652871f9a596bce2d3e10.zip | |
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>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/nios2/include/asm/uaccess.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/nios2/include/asm/uaccess.h b/arch/nios2/include/asm/uaccess.h index acedc0a2860e..caa51ff85a3c 100644 --- a/arch/nios2/include/asm/uaccess.h +++ b/arch/nios2/include/asm/uaccess.h @@ -168,7 +168,7 @@ do { \ 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 @@ do { \ 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; \ }) |