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 <[email protected]> --- arch/alpha/include/asm/uaccess.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/alpha/include/asm/uaccess.h b/arch/alpha/include/asm/uaccess.h index 766fdfd..fbe1d1e 100644 --- a/arch/alpha/include/asm/uaccess.h +++ b/arch/alpha/include/asm/uaccess.h @@ -96,7 +96,7 @@ extern void __get_user_unknown(void); case 8: __get_user_64(ptr); break; \ default: __get_user_unknown(); break; \ } \ - (x) = (__typeof__(*(ptr))) __gu_val; \ + (x) = (__force __typeof__(*(ptr))) __gu_val; \ __gu_err; \ }) @@ -115,7 +115,7 @@ extern void __get_user_unknown(void); default: __get_user_unknown(); break; \ } \ } \ - (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 [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
