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 <m...@redhat.com>
---
 arch/xtensa/include/asm/uaccess.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/xtensa/include/asm/uaccess.h 
b/arch/xtensa/include/asm/uaccess.h
index c7211e7..876eb38 100644
--- a/arch/xtensa/include/asm/uaccess.h
+++ b/arch/xtensa/include/asm/uaccess.h
@@ -320,7 +320,7 @@ __asm__ __volatile__(                                       
\
 ({                                                             \
        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;                                               \
 })
 
@@ -330,7 +330,7 @@ __asm__ __volatile__(                                       
\
        const __typeof__(*(ptr)) *__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

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to