diff options
| author | Michael S. Tsirkin <mst@redhat.com> | 2014-12-12 01:56:04 +0200 |
|---|---|---|
| committer | David Brown <david.brown@linaro.org> | 2015-12-03 16:53:48 -0800 |
| commit | 30963a364a30f7243fe6a0ad962714b5ffcd643b (patch) | |
| tree | ccbce25619c5b081edd48617b3e563fa17b35e3e | |
| parent | d37269b29bf493d87c80e288f98dd8c33a3071d7 (diff) | |
| download | linux-linaro-stable-30963a364a30f7243fe6a0ad962714b5ffcd643b.tar.gz | |
arm64/uaccess: fix sparse errors
commit 58fff51784cb5e1bcc06a1417be26eec4288507c upstream.
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: Will Deacon <will.deacon@arm.com>
Signed-off-by: David Brown <david.brown@linaro.org>
| -rw-r--r-- | arch/arm64/include/asm/uaccess.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm64/include/asm/uaccess.h b/arch/arm64/include/asm/uaccess.h index 3bf8f4e99a51..9a2069bbc00d 100644 --- a/arch/arm64/include/asm/uaccess.h +++ b/arch/arm64/include/asm/uaccess.h @@ -147,7 +147,7 @@ do { \ default: \ BUILD_BUG(); \ } \ - (x) = (__typeof__(*(ptr)))__gu_val; \ + (x) = (__force __typeof__(*(ptr)))__gu_val; \ } while (0) #define __get_user(x, ptr) \ |