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    Subject[PATCH 13/18] powerpc/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/powerpc/include/asm/uaccess.h | 6 +++---
    1 file changed, 3 insertions(+), 3 deletions(-)

    diff --git a/arch/powerpc/include/asm/uaccess.h b/arch/powerpc/include/asm/uaccess.h
    index 9485b43..a0c071d 100644
    --- a/arch/powerpc/include/asm/uaccess.h
    +++ b/arch/powerpc/include/asm/uaccess.h
    @@ -284,7 +284,7 @@ do { \
    if (!is_kernel_addr((unsigned long)__gu_addr)) \
    might_fault(); \
    __get_user_size(__gu_val, __gu_addr, (size), __gu_err); \
    - (x) = (__typeof__(*(ptr)))__gu_val; \
    + (x) = (__force __typeof__(*(ptr)))__gu_val; \
    __gu_err; \
    })
    #endif /* __powerpc64__ */
    @@ -297,7 +297,7 @@ do { \
    might_fault(); \
    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; \
    })

    @@ -308,7 +308,7 @@ do { \
    const __typeof__(*(ptr)) __user *__gu_addr = (ptr); \
    __chk_user_ptr(ptr); \
    __get_user_size(__gu_val, __gu_addr, (size), __gu_err); \
    - (x) = (__typeof__(*(ptr)))__gu_val; \
    + (x) = (__force __typeof__(*(ptr)))__gu_val; \
    __gu_err; \
    })

    --
    MST


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