> On Thu, 21 Jan 2016 02:23:49 +0000
> Zhang Shengju <zhangshen...@cmss.chinamobile.com> wrote:
>
> > the warning was:
> > iproute.c:301:12: warning: 'val' may be used uninitialized in this
> > function [-Wmaybe-uninitialized]
> > features &= ~RTAX_FEATURE_ECN;
> > ^
> > iproute.c:575:10: note: 'val' was declared here
> > __u32 val;
> > ^
> >
> > Signed-off-by: Zhang Shengju <zhangshen...@cmss.chinamobile.com>
> > ---
> > ip/iproute.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/ip/iproute.c b/ip/iproute.c index d5e3ebe..afe70e1 100644
> > --- a/ip/iproute.c
> > +++ b/ip/iproute.c
> > @@ -572,7 +572,7 @@ int print_route(const struct sockaddr_nl *who,
> struct nlmsghdr *n, void *arg)
> > mxlock =
> *(unsigned*)RTA_DATA(mxrta[RTAX_LOCK]);
> >
> > for (i=2; i<= RTAX_MAX; i++) {
> > - __u32 val;
> > + __u32 val = 0U;
> >
> > if (mxrta[i] == NULL)
> > continue;
>
> Your compiler is doing bad dependency analysis.
> There is not really a bug here.
>
> It would still be best to initialize to keep broken compilers from causing
> warning.
Yes, it's not really a bug here. This variable is set by all means. This
patch just want to remove the warning.
Thanks,
Shengju
