All of lore.kernel.org
 help / color / mirror / Atom feed
From: Jakub Kicinski <kuba@kernel.org>
To: Fan Gong <gongfan1@huawei.com>
Cc: Zhu Yikai <zhuyikai1@h-partners.com>, <netdev@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Paolo Abeni <pabeni@redhat.com>, Simon Horman <horms@kernel.org>,
	Andrew Lunn <andrew+netdev@lunn.ch>, <linux-doc@vger.kernel.org>,
	Jonathan Corbet <corbet@lwn.net>,
	Bjorn Helgaas <helgaas@kernel.org>, luosifu <luosifu@huawei.com>,
	Xin Guo <guoxin09@huawei.com>,
	Shen Chenyang <shenchenyang1@hisilicon.com>,
	Zhou Shuai <zhoushuai28@huawei.com>, Wu Like <wulike1@huawei.com>,
	Shi Jing <shijing34@huawei.com>,
	Meny Yossefi <meny.yossefi@huawei.com>,
	Gur Stavi <gur.stavi@huawei.com>, Lee Trager <lee@trager.us>,
	Michael Ellerman <mpe@ellerman.id.au>,
	Suman Ghosh <sumang@marvell.com>,
	Przemek Kitszel <przemyslaw.kitszel@intel.com>,
	Joe Damato <jdamato@fastly.com>,
	Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Subject: Re: [PATCH net-next v04 1/8] hinic3: Async Event Queue interfaces
Date: Tue, 24 Jun 2025 18:04:15 -0700	[thread overview]
Message-ID: <20250624180415.54d0f9ab@kernel.org> (raw)
In-Reply-To: <3fefa626dc1ad068d2994a3cd5d20fb7b8136990.1750665915.git.zhuyikai1@h-partners.com>

On Tue, 24 Jun 2025 08:14:22 +0800 Fan Gong wrote:
> Add async event queue interfaces initialization.
> It allows driver to handle async events reported by HW.

Unfortunately this patch does not build cleanly:

../drivers/net/ethernet/huawei/hinic3/hinic3_eqs.c:203:6: warning: variable 'err' is used uninitialized whenever 'if' condition is false [-Wsometimes-uninitialized]
  203 |         if (eq->type == HINIC3_AEQ)
      |             ^~~~~~~~~~~~~~~~~~~~~~
../drivers/net/ethernet/huawei/hinic3/hinic3_eqs.c:206:22: note: uninitialized use occurs here
  206 |         set_eq_cons_idx(eq, err ? HINIC3_EQ_NOT_ARMED :
      |                             ^~~
../drivers/net/ethernet/huawei/hinic3/hinic3_eqs.c:203:2: note: remove the 'if' if its condition is always true
  203 |         if (eq->type == HINIC3_AEQ)
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~
  204 |                 err = aeq_irq_handler(eq);
../drivers/net/ethernet/huawei/hinic3/hinic3_eqs.c:201:9: note: initialize the variable 'err' to silence this warning
  201 |         int err;
      |                ^
      |                 = 0
../drivers/net/ethernet/huawei/hinic3/hinic3_eqs.c:346:6: warning: variable 'err' is used uninitialized whenever 'if' condition is false [-Wsometimes-uninitialized]
  346 |         if (eq->type == HINIC3_AEQ) {
      |             ^~~~~~~~~~~~~~~~~~~~~~
../drivers/net/ethernet/huawei/hinic3/hinic3_eqs.c:355:9: note: uninitialized use occurs here
  355 |         return err;
      |                ^~~
../drivers/net/ethernet/huawei/hinic3/hinic3_eqs.c:346:2: note: remove the 'if' if its condition is always true
  346 |         if (eq->type == HINIC3_AEQ) {
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~
../drivers/net/ethernet/huawei/hinic3/hinic3_eqs.c:344:9: note: initialize the variable 'err' to silence this warning
  344 |         int err;
      |                ^
      |                 = 0
-- 
pw-bot: cr

  reply	other threads:[~2025-06-25  1:04 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-06-24  0:14 [PATCH net-next v04 0/8] net: hinic3: Add a driver for Huawei 3rd gen NIC - management interfaces Fan Gong
2025-06-24  0:14 ` [PATCH net-next v04 1/8] hinic3: Async Event Queue interfaces Fan Gong
2025-06-25  1:04   ` Jakub Kicinski [this message]
2025-06-24  0:14 ` [PATCH net-next v04 2/8] hinic3: Complete " Fan Gong
2025-06-24  0:14 ` [PATCH net-next v04 3/8] hinic3: Command Queue framework Fan Gong
2025-06-24  0:14 ` [PATCH net-next v04 4/8] hinic3: Command Queue interfaces Fan Gong
2025-06-24  0:14 ` [PATCH net-next v04 5/8] hinic3: TX & RX Queue coalesce interfaces Fan Gong
2025-06-24  0:14 ` [PATCH net-next v04 6/8] hinic3: Mailbox framework Fan Gong
2025-06-24  0:14 ` [PATCH net-next v04 7/8] hinic3: Mailbox management interfaces Fan Gong
2025-06-24  0:14 ` [PATCH net-next v04 8/8] hinic3: Interrupt request configuration Fan Gong

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=20250624180415.54d0f9ab@kernel.org \
    --to=kuba@kernel.org \
    --cc=andrew+netdev@lunn.ch \
    --cc=christophe.jaillet@wanadoo.fr \
    --cc=corbet@lwn.net \
    --cc=davem@davemloft.net \
    --cc=edumazet@google.com \
    --cc=gongfan1@huawei.com \
    --cc=guoxin09@huawei.com \
    --cc=gur.stavi@huawei.com \
    --cc=helgaas@kernel.org \
    --cc=horms@kernel.org \
    --cc=jdamato@fastly.com \
    --cc=lee@trager.us \
    --cc=linux-doc@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=luosifu@huawei.com \
    --cc=meny.yossefi@huawei.com \
    --cc=mpe@ellerman.id.au \
    --cc=netdev@vger.kernel.org \
    --cc=pabeni@redhat.com \
    --cc=przemyslaw.kitszel@intel.com \
    --cc=shenchenyang1@hisilicon.com \
    --cc=shijing34@huawei.com \
    --cc=sumang@marvell.com \
    --cc=wulike1@huawei.com \
    --cc=zhoushuai28@huawei.com \
    --cc=zhuyikai1@h-partners.com \
    /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.