patches for DPDK stable branches
 help / color / Atom feed
From: David Marchand <david.marchand@redhat.com>
To: Ajit Khaparde <ajit.khaparde@broadcom.com>,
	Kevin Traynor <ktraynor@redhat.com>
Cc: dev <dev@dpdk.org>,
	Lance Richardson <lance.richardson@broadcom.com>,
	 dpdk stable <stable@dpdk.org>
Subject: Re: [dpdk-stable] [dpdk-dev] [PATCH 3/9] net/bnxt: remove logically dead code
Date: Wed, 30 Oct 2019 08:43:10 +0100
Message-ID: <CAJFAV8zP0rwOw5ei6qu4h=0oiYYbNnZMKW6DttMA70kAzcfBxA@mail.gmail.com> (raw)
In-Reply-To: <CACZ4nhv6dOc4__S6QxD49XoxOGF4zZu3KpQSB6L7NV=pkFJzXg@mail.gmail.com>

Hello Ajit, Kevin,

On Wed, Oct 2, 2019 at 3:29 AM Ajit Khaparde <ajit.khaparde@broadcom.com> wrote:
>
> On Tue, Oct 1, 2019 at 6:04 AM Kevin Traynor <ktraynor@redhat.com> wrote:
>
> > If rc contains a non-zero return code from bnxt_hwrm_send_message(),
> > HWRM_CHECK_RESULT_SILENT() will return.
> >
> > Just after that code, there is an 'if (!rc) {...} else {...}'.
> > Coverity is complaining that this if else statement is dead code as
> > rc will always be 0 if that code is reached.
> >
> > 4309        rc = bnxt_hwrm_send_message(bp, &req, sizeof(req),
> >                    BNXT_USE_CHIMP_MB);
> >     cond_const: Condition rc, taking false branch.
> >     Now the value of rc is equal to 0.
> > 4310        HWRM_CHECK_RESULT_SILENT();
> > 4311
> >     const: At condition rc, the value of rc must be equal to 0.
> >     dead_error_condition: The condition !rc must be true.
> > 4312        if (!rc) {
> >
> > [snip]
> >
> > 4373        } else {
> >     CID 343450 (#1 of 1): Logically dead code
> >     (DEADCODE)dead_error_line: Execution cannot
> >     reach this statement: rc = 0;.
> > 4374                rc = 0;
> > 4375        }
> >
> > Coverity issue: 343450
> > Fixes: f8168ca0e690 ("net/bnxt: support thor controller")
> > Cc: lance.richardson@broadcom.com
> > Cc: stable@dpdk.org
> >
> > Signed-off-by: Kevin Traynor <ktraynor@redhat.com>
> >
> Acked-by: Ajit Khaparde <ajit.khaparde@broadcom.com>

I can see a *really* close patch has been submitted the day after.
http://patchwork.dpdk.org/patch/58352/

And merged after a v3:
https://git.dpdk.org/dpdk/commit/?id=b4f74051165560aa81814433dea7e6eb0bdb32b9

So I suppose this patch can be dropped.


-- 
David Marchand

  reply index

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20191001125315.6191-1-ktraynor@redhat.com>
2019-10-01 12:53 ` [dpdk-stable] [PATCH 1/9] net/pcap: fix argument checks Kevin Traynor
2019-10-04 10:57   ` Ferriter, Cian
2019-10-30  7:52   ` [dpdk-stable] [dpdk-dev] " David Marchand
2019-11-05 16:40     ` Kevin Traynor
2019-11-05 17:10       ` Ferriter, Cian
2019-11-06 19:03         ` Kevin Traynor
2019-10-01 13:03 ` [dpdk-stable] [PATCH 2/9] crypto/octeontx: fix possible NULL deference Kevin Traynor
2019-10-01 13:03   ` [dpdk-stable] [PATCH 3/9] net/bnxt: remove logically dead code Kevin Traynor
2019-10-02  1:28     ` [dpdk-stable] [dpdk-dev] " Ajit Khaparde
2019-10-30  7:43       ` David Marchand [this message]
2019-10-30 16:27         ` Ajit Khaparde
2019-11-05 15:39           ` Kevin Traynor
2019-10-01 13:04   ` [dpdk-stable] [PATCH 4/9] net/ipn3ke: fix incorrect commit check logic Kevin Traynor
2019-10-30  7:59     ` [dpdk-stable] [dpdk-dev] " David Marchand
2019-11-05 15:41       ` Kevin Traynor
2019-11-08 14:45         ` Xu, Rosen
2019-11-08 14:47           ` Kevin Traynor
2019-11-08 14:35       ` Xu, Rosen
2019-11-08 14:52     ` [dpdk-stable] " Xu, Rosen
2019-10-01 13:04   ` [dpdk-stable] [PATCH 5/9] net/ipn3ke: remove useless if statement Kevin Traynor
2019-10-30  8:01     ` David Marchand
2019-11-08 14:35       ` Xu, Rosen
2019-11-08 14:52     ` Xu, Rosen
2019-10-01 13:04   ` [dpdk-stable] [PATCH 6/9] net/ipn3ke: remove commented out code Kevin Traynor
2019-10-30  8:04     ` David Marchand
2019-11-08 14:40       ` Xu, Rosen
2019-11-08 14:51     ` Xu, Rosen
2019-10-01 13:04   ` [dpdk-stable] [PATCH 7/9] compress/octeontx: " Kevin Traynor
2019-10-30  8:06     ` [dpdk-stable] [dpdk-dev] " David Marchand
2019-10-01 13:04   ` [dpdk-stable] [PATCH 8/9] event/opdl: " Kevin Traynor
2019-10-03 10:50     ` Liang, Ma
2019-10-01 13:04   ` [dpdk-stable] [PATCH 9/9] net/bnxt: " Kevin Traynor
2019-10-01 15:42     ` Ajit Khaparde
2019-10-30  7:56   ` [dpdk-stable] [PATCH 2/9] crypto/octeontx: fix possible NULL deference David Marchand
     [not found] ` <20191106190203.10750-1-ktraynor@redhat.com>
2019-11-06 19:01   ` [dpdk-stable] [v2 PATCH 1/8] net/pcap: fix argument checks Kevin Traynor
2019-11-06 19:01   ` [dpdk-stable] [v2 PATCH 2/8] common/cpt: fix possible NULL deference Kevin Traynor
2019-11-06 19:01   ` [dpdk-stable] [v2 PATCH 3/8] net/ipn3ke: fix incorrect commit check logic Kevin Traynor
2019-11-08 14:50     ` Xu, Rosen
2019-11-06 19:01   ` [dpdk-stable] [v2 PATCH 4/8] net/ipn3ke: remove useless if statement Kevin Traynor
2019-11-08 14:49     ` Xu, Rosen
2019-11-06 19:02   ` [dpdk-stable] [v2 PATCH 5/8] net/ipn3ke: remove commented out code Kevin Traynor
2019-11-08 14:50     ` Xu, Rosen
2019-11-06 19:02   ` [dpdk-stable] [v2 PATCH 6/8] compress/octeontx: " Kevin Traynor
2019-11-06 19:02   ` [dpdk-stable] [v2 PATCH 7/8] event/opdl: " Kevin Traynor
2019-11-06 19:02   ` [dpdk-stable] [v2 PATCH 8/8] net/bnxt: " Kevin Traynor

Reply instructions:

You may reply publically 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='CAJFAV8zP0rwOw5ei6qu4h=0oiYYbNnZMKW6DttMA70kAzcfBxA@mail.gmail.com' \
    --to=david.marchand@redhat.com \
    --cc=ajit.khaparde@broadcom.com \
    --cc=dev@dpdk.org \
    --cc=ktraynor@redhat.com \
    --cc=lance.richardson@broadcom.com \
    --cc=stable@dpdk.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

patches for DPDK stable branches

Archives are clonable:
	git clone --mirror http://inbox.dpdk.org/stable/0 stable/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 stable stable/ http://inbox.dpdk.org/stable \
		stable@dpdk.org
	public-inbox-index stable


Newsgroup available over NNTP:
	nntp://inbox.dpdk.org/inbox.dpdk.stable


AGPL code for this site: git clone https://public-inbox.org/ public-inbox