From: Michal Kubecek <mkubecek@suse.cz>
To: netdev@vger.kernel.org
Cc: Andrew Lunn <andrew@lunn.ch>, David Miller <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>, Jiri Pirko <jiri@resnulli.us>,
Florian Fainelli <f.fainelli@gmail.com>,
John Linville <linville@tuxdriver.com>,
Johannes Berg <johannes@sipsolutions.net>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH net-next 3/7] ethtool: set message mask with DEBUG_SET request
Date: Mon, 27 Jan 2020 07:24:56 +0100 [thread overview]
Message-ID: <20200127062456.GC570@unicorn.suse.cz> (raw)
In-Reply-To: <20200127010422.GD12816@lunn.ch>
On Mon, Jan 27, 2020 at 02:04:22AM +0100, Andrew Lunn wrote:
> > + ret = ethnl_parse_header(&req_info, tb[ETHTOOL_A_DEBUG_HEADER],
> > + genl_info_net(info), info->extack, true);
>
> > + dev_put(dev);
>
> Hi Michal
>
> While reviewing this patch i noticed this dev_put() and wondered where
> the dev_get() was. It is hiding inside ethnl_parse_header(). The
> documentation does make it clear it takes a reference on the device,
> but how many people read the documentation? I would not be too
> surprised if at some point in the future we have bugs from missing
> dev_put().
>
> Could we make this a bit more explicit by calling it
> ethnl_parse_header_dev_get(). It is rather long though.
Good point, I'll think about the name some more and send a cleanup patch
when net-next reopens.
Michal
next prev parent reply other threads:[~2020-01-27 6:25 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-26 22:10 [PATCH net-next 0/7] ethtool netlink interface, part 2 Michal Kubecek
2020-01-26 22:11 ` [PATCH net-next 1/7] ethtool: fix kernel-doc descriptions Michal Kubecek
2020-01-26 22:11 ` [PATCH net-next 2/7] ethtool: provide message mask with DEBUG_GET request Michal Kubecek
2020-01-26 23:52 ` Andrew Lunn
2020-01-26 22:11 ` [PATCH net-next 3/7] ethtool: set message mask with DEBUG_SET request Michal Kubecek
2020-01-27 0:22 ` Andrew Lunn
2020-01-27 6:23 ` Michal Kubecek
2020-01-27 1:04 ` Andrew Lunn
2020-01-27 6:24 ` Michal Kubecek [this message]
2020-01-26 22:11 ` [PATCH net-next 4/7] ethtool: add DEBUG_NTF notification Michal Kubecek
2020-01-27 1:17 ` Andrew Lunn
2020-01-26 22:11 ` [PATCH net-next 5/7] ethtool: provide WoL settings with WOL_GET request Michal Kubecek
2020-01-27 2:11 ` Andrew Lunn
2020-01-26 22:11 ` [PATCH net-next 6/7] ethtool: set wake-on-lan settings with WOL_SET request Michal Kubecek
2020-01-26 22:11 ` [PATCH net-next 7/7] ethtool: add WOL_NTF notification Michal Kubecek
2020-01-26 23:34 ` [PATCH net-next 0/7] ethtool netlink interface, part 2 Andrew Lunn
2020-01-27 7:30 ` Michal Kubecek
2020-01-27 9:40 ` David Miller
2020-01-27 9:57 ` Michal Kubecek
2020-01-27 10:27 ` David Miller
2020-01-27 10:32 ` David Miller
2020-01-27 13:45 ` Andrew Lunn
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