From: Martin Schiller <ms@dev.tdt.de>
To: davem@davemloft.net, kuba@kernel.org
Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
Martin Schiller <ms@dev.tdt.de>
Subject: [PATCH net v2] net/tun: Call netdev notifiers
Date: Mon, 16 Nov 2020 10:27:51 +0100 [thread overview]
Message-ID: <20201116092751.6905-1-ms@dev.tdt.de> (raw)
Call netdev notifiers before and after changing the device type.
Signed-off-by: Martin Schiller <ms@dev.tdt.de>
---
Change from v1:
fix 'subject_prefix' and 'checkpatch' warnings
---
drivers/net/tun.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index be69d272052f..f3b337d45ad0 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -3124,9 +3124,13 @@ static long __tun_chr_ioctl(struct file *file, unsigned int cmd,
"Linktype set failed because interface is up\n");
ret = -EBUSY;
} else {
+ call_netdevice_notifiers(NETDEV_PRE_TYPE_CHANGE,
+ tun->dev);
tun->dev->type = (int) arg;
netif_info(tun, drv, tun->dev, "linktype set to %d\n",
tun->dev->type);
+ call_netdevice_notifiers(NETDEV_POST_TYPE_CHANGE,
+ tun->dev);
ret = 0;
}
break;
--
2.20.1
reply other threads:[~2020-11-16 10:03 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
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=20201116092751.6905-1-ms@dev.tdt.de \
--to=ms@dev.tdt.de \
--cc=davem@davemloft.net \
--cc=kuba@kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=netdev@vger.kernel.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
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).