On Tue, 20 Nov 2012 13:02:02 -0500 (EST) David Miller <da...@davemloft.net> wrote:
> From: Stephen Hemminger <shemmin...@vyatta.com> > Date: Tue, 20 Nov 2012 09:53:04 -0800 > > > There are actually lots of bogus warnings than seem to only occur > > because gcc 4.4 does a bad job of checking. Later versions are fixed > > and don't generate warnings. > > > > My preference is to not add the unnecessary initialization because > > if you get in the habit of doing it. The whole purpose of the uninitialized > > check is lost. > > Try again, this was with gcc-4.7.2-2 on Fedora. > > There are too many preconditions, across multiple basic block, which > together ensure the skb is in fact initialized at the point in > question and the compiler simply isn't sophisticated enough to see > that. Weird, it compiles clean on x86-84 on Debian. gcc-4.7.real (Debian 4.7.2-4) 4.7.2 -- 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/
