On 01/06/2015 04:44 PM, Michael S. Tsirkin wrote:
> 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@xxxxxxxxxx>
> ---
> arch/microblaze/include/asm/uaccess.h | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/arch/microblaze/include/asm/uaccess.h b/arch/microblaze/include/asm/uaccess.h
> index 59a89a6..e41bebf 100644
> --- a/arch/microblaze/include/asm/uaccess.h
> +++ b/arch/microblaze/include/asm/uaccess.h
> @@ -220,7 +220,7 @@ extern long __user_bad(void);
> } else { \
> __gu_err = -EFAULT; \
> } \
> - x = (typeof(*(ptr)))__gu_val; \
> + x = (__force typeof(*(ptr)))__gu_val; \
> __gu_err; \
> })
>
> @@ -242,7 +242,7 @@ extern long __user_bad(void);
> default: \
> /* __gu_val = 0; __gu_err = -EINVAL;*/ __gu_err = __user_bad();\
> } \
> - x = (__typeof__(*(ptr))) __gu_val; \
> + x = (__force __typeof__(*(ptr))) __gu_val; \
> __gu_err; \
> })
>
>
Applied.
Thanks,
Michal
--
Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel - Microblaze cpu - http://www.monstr.eu/fdt/
Maintainer of Linux kernel - Xilinx Zynq ARM architecture
Microblaze U-BOOT custodian and responsible for u-boot arm zynq platform
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