On Tue, 3 Oct 2017 13:57:42 -0400 Stefan Hajnoczi <stefa...@redhat.com> wrote:
> Linux has more than 32 address families defined in <bits/socket.h>. Use > a 64-bit type so all of them can be represented in the filter->families > bitmask. > > It's easy to introduce bugs when using (1 << AF_FAMILY) because the > value is 32-bit. This can produce incorrect results from bitmask > operations so introduce the FAMILY_MASK() macro to eliminate these bugs. > > Signed-off-by: Stefan Hajnoczi <stefa...@redhat.com> > --- > misc/ss.c | 54 ++++++++++++++++++++++++++++-------------------------- > 1 file changed, 28 insertions(+), 26 deletions(-) > > diff --git a/misc/ss.c b/misc/ss.c > index dd8dfaa4..12a31c90 100644 > --- a/misc/ss.c > +++ b/misc/ss.c > @@ -170,55 +170,57 @@ enum { > struct filter { > int dbs; > int states; > - int families; > + __u64 families; Since this isn't a value that is coming from kernel. It should be uint64_t rather than __u64.