On Wed, Dec 12, 2012 at 5:12 PM, Leon Romanovsky <l...@leon.nu> wrote: > On Wed, Dec 12, 2012 at 7:05 AM, Fubo Chen <fubo.c...@gmail.com> wrote: >> >> On Wed, Dec 12, 2012 at 3:37 PM, Namjae Jeon <linkinj...@gmail.com> wrote: >> > + /* dot and dotdot dentries should have zero-value hash code */ >> > + if (!memcmp(name, ".", 1) || !memcmp(name, "..", 2)) >> > + return 0; >> >> That looks suspicious. If memcmp(name, "..", 2) == 0 then always >> memcmp(name, ".", 1) == 0. Why two tests ? > > It is not the case vice versa, so you still need to do two checks. > You need to distinguish dot(.), dotdot(..) and something with dot at > the beginning (for example - .o)
Thanks for replying. I understand that the intention is what you explained. But to me the code says something else: "if the first byte of name is a dot, return 0". Did I see that correctly ? Fubo. -- 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/
