From: Taehee Yoo <ap420073@gmail.com>
Date: Sat, 20 Nov 2021 12:39:35 +0000 (+0100)
Subject: batman-adv: set .owner to THIS_MODULE
X-Git-Tag: v4.4.293~7
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1a372d88ab7f702d5da6fea90529089ea024dfbf;p=thirdparty%2Fkernel%2Fstable.git

batman-adv: set .owner to THIS_MODULE

commit 14a2e551faea53d45bc11629a9dac88f88950ca7 upstream.

If THIS_MODULE is not set, the module would be removed while debugfs is
being used.
It eventually makes kernel panic.

Fixes: c6c8fea29769 ("net: Add batman-adv meshing protocol")
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
[ bp: 4.4 backported: switch to old filename. ]
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/net/batman-adv/debugfs.c b/net/batman-adv/debugfs.c
index b2ef03a3a2d49..b905763dc2e74 100644
--- a/net/batman-adv/debugfs.c
+++ b/net/batman-adv/debugfs.c
@@ -214,6 +214,7 @@ static const struct file_operations batadv_log_fops = {
 	.read           = batadv_log_read,
 	.poll           = batadv_log_poll,
 	.llseek         = no_llseek,
+	.owner          = THIS_MODULE,
 };
 
 static int batadv_debug_log_setup(struct batadv_priv *bat_priv)