All of lore.kernel.org
 help / color / mirror / Atom feed
From: Petr Machata <me@pmachata.org>
To: Stephen Hemminger <stephen@networkplumber.org>
Cc: netdev@vger.kernel.org
Subject: Re: [PATCH iproute2 5/5] ifstat: fix warning about conditional
Date: Thu, 29 Jun 2023 15:49:49 +0200	[thread overview]
Message-ID: <87h6qqe5mi.fsf@nvidia.com> (raw)
In-Reply-To: <20230628233813.6564-6-stephen@networkplumber.org>


Stephen Hemminger <stephen@networkplumber.org> writes:

> Gcc with warnings enabled complains because the conditional.
>   if ((long)(a - b) < 0)
> could be construed as never true.

Hmm, yeah, it would never be true where sizeof(long) > 4.

>                                    Change to simple comparison.
>
> Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>

Reviewed-by: Petr Machata <me@pmachata.org>

  reply	other threads:[~2023-06-29 13:54 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-06-28 23:38 [PATCH iproute2 0/5] Warning fixes Stephen Hemminger
2023-06-28 23:38 ` [PATCH iproute2 1/5] dcb: fully initialize flag table Stephen Hemminger
2023-06-29 13:08   ` Petr Machata
2023-06-28 23:38 ` [PATCH iproute2 2/5] fix fallthrough warnings Stephen Hemminger
2023-06-29 13:54   ` Petr Machata
2023-06-28 23:38 ` [PATCH iproute2 3/5] ss: fix warning about empty if() Stephen Hemminger
2023-06-29 13:14   ` Petr Machata
2023-06-28 23:38 ` [PATCH iproute2 4/5] ct: check for invalid proto Stephen Hemminger
2023-06-29 13:44   ` Petr Machata
2023-06-28 23:38 ` [PATCH iproute2 5/5] ifstat: fix warning about conditional Stephen Hemminger
2023-06-29 13:49   ` Petr Machata [this message]
2023-06-29 16:10 ` [PATCH iproute2 0/5] Warning fixes patchwork-bot+netdevbpf

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=87h6qqe5mi.fsf@nvidia.com \
    --to=me@pmachata.org \
    --cc=netdev@vger.kernel.org \
    --cc=stephen@networkplumber.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.