| Date | Thu, 18 Dec 2014 11:11:32 +0800 | Subject | Re: [PATCH 05/18] blackfin/uaccess: fix sparse errors | From | Steven Miao <> |
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On Mon, Dec 15, 2014 at 12:52 AM, Michael S. Tsirkin <mst@redhat.com> 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@redhat.com> > --- > arch/blackfin/include/asm/uaccess.h | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/blackfin/include/asm/uaccess.h b/arch/blackfin/include/asm/uaccess.h > index 57701c3..6a46e7d 100644 > --- a/arch/blackfin/include/asm/uaccess.h > +++ b/arch/blackfin/include/asm/uaccess.h > @@ -147,7 +147,7 @@ static inline int bad_user_access_length(void) > } \ > } else \ > _err = -EFAULT; \ > - x = (typeof(*(ptr)))_val; \ > + x = (__force typeof(*(ptr)))_val; \ > _err; \ > }) > > -- > MST > Acked-by: Steven Miao <realmz6@gmail.com>
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