[systemd-devel] [PATCH 12/24] sd-dhcp6-client: Add DHCPv6 Solicit message creation and sending

Patrik Flykt Patrik.Flykt at linux.intel.com
Thu Jun 19 04:52:06 PDT 2014


On Wed, 2014-06-18 at 16:25 +0200, Zbigniew Jędrzejewski-Szmek wrote:
> On Wed, Jun 18, 2014 at 07:05:35AM -0700, Filipe Brandenburger wrote:
> > On Wed, Jun 18, 2014 at 6:58 AM, Zbigniew Jędrzejewski-Szmek
> > <zbyszek at in.waw.pl> wrote:
> > >> +        if (client->fd > 0)
> > >> +                safe_close(client->fd);
> > >> +        client->fd = -1;
> > > client->fd = safe_close(client->fd);
> > >
> > > That's what safe_close is for :)
> > 
> > And shouldn't the check be for client->fd >= 0? Zero is a valid file descriptor.
> Yeah... but note that safe_close already has the fd >= 0 check, so the
> replacement line replaces the if too.

If I omit the client->fd > 0 check I get the following in the test case:

Assertion 'close_nointr(fd) != -EBADF' failed at src/shared/util.c:205,
function safe_close(). Aborting.


Cheers,

	Patrik



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