From: "Michał Krawczyk" <mk@semihalf.com>
To: Ferruh Yigit <ferruh.yigit@intel.com>
Cc: Marcin Wojtas <mw@semihalf.com>, Guy Tzalik <gtzalik@amazon.com>,
Evgeny Schemeilin <evgenys@amazon.com>,
Igor Chauskin <igorch@amazon.com>,
dev@dpdk.org, Thomas Monjalon <thomas@monjalon.net>,
David Marchand <david.marchand@redhat.com>
Subject: Re: [dpdk-dev] [PATCH 3/3] net/ena: fix build for O1 optimization
Date: Fri, 8 May 2020 15:59:01 +0200 [thread overview]
Message-ID: <CAJMMOfNC9DHj50x_uqFYLk5usGnRHnGM8v1MbGcvU-c484cgBg@mail.gmail.com> (raw)
In-Reply-To: <20200507120259.2197813-3-ferruh.yigit@intel.com>
czw., 7 maj 2020 o 14:03 Ferruh Yigit <ferruh.yigit@intel.com> napisał(a):
>
> Can be reproduced with "make EXTRA_CFLAGS='-O1'" command using
> gcc (GCC) 9.3.1 20200408 (Red Hat 9.3.1-2)
>
> Build error:
> .../drivers/net/ena/ena_ethdev.c: In function ‘eth_ena_dev_init’:
> .../drivers/net/ena/ena_ethdev.c:1815:20:
> error: ‘wd_state’ may be used uninitialized in this function
> [-Werror=maybe-uninitialized]
> 1815 | adapter->wd_state = wd_state;
> | ~~~~~~~~~~~~~~~~~~^~~~~~~~~~
>
> This looks like false positive, fixing by assigning initial value to
> 'wd_state' variable.
>
> Signed-off-by: Ferruh Yigit <ferruh.yigit@intel.com>
Acked-by: Michal Krawczyk <mk@semihalf.com>
> ---
> drivers/net/ena/ena_ethdev.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/ena/ena_ethdev.c b/drivers/net/ena/ena_ethdev.c
> index c3fd3a4ac0..fbddc79f79 100644
> --- a/drivers/net/ena/ena_ethdev.c
> +++ b/drivers/net/ena/ena_ethdev.c
> @@ -1756,7 +1756,7 @@ static int eth_ena_dev_init(struct rte_eth_dev *eth_dev)
> int rc;
> static int adapters_found;
> bool disable_meta_caching;
> - bool wd_state;
> + bool wd_state = false;
>
> eth_dev->dev_ops = &ena_dev_ops;
> eth_dev->rx_pkt_burst = ð_ena_recv_pkts;
> --
> 2.25.4
>
next prev parent reply other threads:[~2020-05-08 13:59 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-07 12:02 [dpdk-dev] [PATCH 1/3] ring: fix build for gcc " Ferruh Yigit
2020-05-07 12:02 ` [dpdk-dev] [PATCH 2/3] mempool/octeontx2: " Ferruh Yigit
2020-05-07 14:05 ` Ananyev, Konstantin
2020-05-08 16:20 ` Ferruh Yigit
2020-05-08 16:39 ` Ferruh Yigit
2020-05-07 12:02 ` [dpdk-dev] [PATCH 3/3] net/ena: fix build for " Ferruh Yigit
2020-05-08 13:59 ` Michał Krawczyk [this message]
2020-05-07 13:47 ` [dpdk-dev] [PATCH 1/3] ring: fix build for gcc " Ananyev, Konstantin
2020-05-08 16:45 ` [dpdk-dev] [PATCH v2 1/4] " Ferruh Yigit
2020-05-08 16:45 ` [dpdk-dev] [PATCH v2 2/4] mempool/octeontx2: " Ferruh Yigit
2020-05-10 11:51 ` Jerin Jacob
2020-05-08 16:45 ` [dpdk-dev] [PATCH v2 3/4] net/ena: fix build for " Ferruh Yigit
2020-05-08 16:45 ` [dpdk-dev] [PATCH v2 4/4] event/octeontx2: " Ferruh Yigit
2020-05-08 17:22 ` Ananyev, Konstantin
2020-05-10 11:53 ` Jerin Jacob
2020-05-11 16:07 ` [dpdk-dev] [PATCH v3 1/4] ring: fix build for gcc " Ferruh Yigit
2020-05-11 16:07 ` [dpdk-dev] [PATCH v3 2/4] mempool/octeontx2: " Ferruh Yigit
2020-05-11 16:07 ` [dpdk-dev] [PATCH v3 3/4] net/ena: fix build for " Ferruh Yigit
2020-05-11 16:07 ` [dpdk-dev] [PATCH v3 4/4] event/octeontx2: " Ferruh Yigit
2020-05-11 19:13 ` [dpdk-dev] [PATCH v3 1/4] ring: fix build for gcc " Thomas Monjalon
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=CAJMMOfNC9DHj50x_uqFYLk5usGnRHnGM8v1MbGcvU-c484cgBg@mail.gmail.com \
--to=mk@semihalf.com \
--cc=david.marchand@redhat.com \
--cc=dev@dpdk.org \
--cc=evgenys@amazon.com \
--cc=ferruh.yigit@intel.com \
--cc=gtzalik@amazon.com \
--cc=igorch@amazon.com \
--cc=mw@semihalf.com \
--cc=thomas@monjalon.net \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).