Netdev Archive on lore.kernel.org
help / color / mirror / Atom feed
From: Leon Romanovsky <leon@kernel.org>
To: "David S . Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>
Cc: Leon Romanovsky <leonro@nvidia.com>,
	Guangbin Huang <huangguangbin2@huawei.com>,
	Ido Schimmel <idosch@nvidia.com>, Jiri Pirko <jiri@nvidia.com>,
	linux-kernel@vger.kernel.org,
	Michael Guralnik <michaelgur@mellanox.com>,
	netdev@vger.kernel.org, Saeed Mahameed <saeedm@nvidia.com>,
	Salil Mehta <salil.mehta@huawei.com>,
	Tariq Toukan <tariqt@nvidia.com>,
	Yisen Zhuang <yisen.zhuang@huawei.com>,
	Yufeng Mo <moyufeng@huawei.com>
Subject: [PATCH net-next 1/5] net: hns3: remove always exist devlink pointer check
Date: Tue, 10 Aug 2021 16:37:31 +0300	[thread overview]
Message-ID: <2340cee7b177bf7c8825f61b9798034c77baec32.1628599239.git.leonro@nvidia.com> (raw)
In-Reply-To: <cover.1628599239.git.leonro@nvidia.com>

From: Leon Romanovsky <leonro@nvidia.com>

The devlink pointer always exists after hclge_devlink_init() succeed.
Remove that check together with NULL setting after release and ensure
that devlink_register is last command prior to call to devlink_reload_enable().

Fixes: b741269b2759 ("net: hns3: add support for registering devlink for PF")
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
---
 .../net/ethernet/hisilicon/hns3/hns3pf/hclge_devlink.c    | 8 +-------
 .../net/ethernet/hisilicon/hns3/hns3vf/hclgevf_devlink.c  | 8 +-------
 2 files changed, 2 insertions(+), 14 deletions(-)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_devlink.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_devlink.c
index 448f29aa4e6b..e4aad695abcc 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_devlink.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_devlink.c
@@ -118,6 +118,7 @@ int hclge_devlink_init(struct hclge_dev *hdev)
 
 	priv = devlink_priv(devlink);
 	priv->hdev = hdev;
+	hdev->devlink = devlink;
 
 	ret = devlink_register(devlink);
 	if (ret) {
@@ -126,8 +127,6 @@ int hclge_devlink_init(struct hclge_dev *hdev)
 		goto out_reg_fail;
 	}
 
-	hdev->devlink = devlink;
-
 	devlink_reload_enable(devlink);
 
 	return 0;
@@ -141,14 +140,9 @@ void hclge_devlink_uninit(struct hclge_dev *hdev)
 {
 	struct devlink *devlink = hdev->devlink;
 
-	if (!devlink)
-		return;
-
 	devlink_reload_disable(devlink);
 
 	devlink_unregister(devlink);
 
 	devlink_free(devlink);
-
-	hdev->devlink = NULL;
 }
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_devlink.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_devlink.c
index 1e6061fb8ed4..f478770299c6 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_devlink.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_devlink.c
@@ -120,6 +120,7 @@ int hclgevf_devlink_init(struct hclgevf_dev *hdev)
 
 	priv = devlink_priv(devlink);
 	priv->hdev = hdev;
+	hdev->devlink = devlink;
 
 	ret = devlink_register(devlink);
 	if (ret) {
@@ -128,8 +129,6 @@ int hclgevf_devlink_init(struct hclgevf_dev *hdev)
 		goto out_reg_fail;
 	}
 
-	hdev->devlink = devlink;
-
 	devlink_reload_enable(devlink);
 
 	return 0;
@@ -143,14 +142,9 @@ void hclgevf_devlink_uninit(struct hclgevf_dev *hdev)
 {
 	struct devlink *devlink = hdev->devlink;
 
-	if (!devlink)
-		return;
-
 	devlink_reload_disable(devlink);
 
 	devlink_unregister(devlink);
 
 	devlink_free(devlink);
-
-	hdev->devlink = NULL;
 }
-- 
2.31.1


  reply	other threads:[~2021-08-10 13:37 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-10 13:37 [PATCH net-next 0/5] Move devlink_register to be near devlink_reload_enable Leon Romanovsky
2021-08-10 13:37 ` Leon Romanovsky [this message]
2021-08-10 13:37 ` [PATCH net-next 2/5] net/mlx4: Move devlink_register to be the last initialization command Leon Romanovsky
2021-08-10 13:37 ` [PATCH net-next 3/5] mlxsw: core: Refactor code to publish devlink ops when device is ready Leon Romanovsky
2021-08-10 13:37 ` [PATCH net-next 4/5] net/mlx5: Accept devlink user input after driver initialization complete Leon Romanovsky
2021-08-10 13:37 ` [PATCH net-next 5/5] netdevsim: Delay user access till probe is finished Leon Romanovsky
2021-08-10 23:53 ` [PATCH net-next 0/5] Move devlink_register to be near devlink_reload_enable Jakub Kicinski
2021-08-11  6:10   ` Leon Romanovsky
2021-08-11 13:27     ` Jakub Kicinski
2021-08-11 14:01       ` Leon Romanovsky
2021-08-11 14:15         ` Leon Romanovsky
2021-08-11 14:18         ` Jakub Kicinski
2021-08-11 14:36           ` Leon Romanovsky
2021-08-12  4:10           ` Leon Romanovsky

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=2340cee7b177bf7c8825f61b9798034c77baec32.1628599239.git.leonro@nvidia.com \
    --to=leon@kernel.org \
    --cc=davem@davemloft.net \
    --cc=huangguangbin2@huawei.com \
    --cc=idosch@nvidia.com \
    --cc=jiri@nvidia.com \
    --cc=kuba@kernel.org \
    --cc=leonro@nvidia.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=michaelgur@mellanox.com \
    --cc=moyufeng@huawei.com \
    --cc=netdev@vger.kernel.org \
    --cc=saeedm@nvidia.com \
    --cc=salil.mehta@huawei.com \
    --cc=tariqt@nvidia.com \
    --cc=yisen.zhuang@huawei.com \
    --subject='Re: [PATCH net-next 1/5] net: hns3: remove always exist devlink pointer check' \
    /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

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).