netdev - [PATCH net 083/117] wil6210: set fops_wmi.owner to THIS

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20201008155209.18025-83-ap420073@gmail.com>
Date:   Thu,  8 Oct 2020 15:51:35 +0000
From:   Taehee Yoo <ap420073@...il.com>
To:     davem@...emloft.net, kuba@...nel.org, netdev@...r.kernel.org
Cc:     ap420073@...il.com, linux-wireless@...r.kernel.org,
        wil6210@....qualcomm.com, b43-dev@...ts.infradead.org,
        linux-bluetooth@...r.kernel.org
Subject: [PATCH net 083/117] wil6210: set fops_wmi.owner to THIS_MODULE

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

Fixes: ff974e408334 ("wil6210: debugfs interface to send raw WMI command")
Signed-off-by: Taehee Yoo <ap420073@...il.com>
---
 drivers/net/wireless/ath/wil6210/debugfs.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/wireless/ath/wil6210/debugfs.c b/drivers/net/wireless/ath/wil6210/debugfs.c
index 182185a34071..6d9a1de2974c 100644
--- a/drivers/net/wireless/ath/wil6210/debugfs.c
+++ b/drivers/net/wireless/ath/wil6210/debugfs.c
@@ -1047,6 +1047,7 @@ static ssize_t wil_write_file_wmi(struct file *file, const char __user *buf,
 static const struct file_operations fops_wmi = {
 	.write = wil_write_file_wmi,
 	.open  = simple_open,
+	.owner = THIS_MODULE,
 };
 
 static void wil_seq_print_skb(struct seq_file *s, struct sk_buff *skb)
-- 
2.17.1