netdev - [PATCH net 054/117] iwlwifi: set DEBUGFS_READ_WRITE_FILE_OPS.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]

Date:   Thu,  8 Oct 2020 15:51:06 +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 054/117] iwlwifi: set DEBUGFS_READ_WRITE_FILE_OPS.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: be663ab67077 ("iwlwifi: split the drivers for agn and legacy devices 3945/4965")
Signed-off-by: Taehee Yoo <ap420073@...il.com>
---
 drivers/net/wireless/intel/iwlegacy/debug.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/wireless/intel/iwlegacy/debug.c b/drivers/net/wireless/intel/iwlegacy/debug.c
index 9813d4b507e5..fcf5fd3c7364 100644
--- a/drivers/net/wireless/intel/iwlegacy/debug.c
+++ b/drivers/net/wireless/intel/iwlegacy/debug.c
@@ -156,6 +156,7 @@ static const struct file_operations il_dbgfs_##name##_ops = {	\
 	.read = il_dbgfs_##name##_read,				\
 	.open = simple_open,					\
 	.llseek = generic_file_llseek,				\
+	.owner = THIS_MODULE,					\
 };
 
 static const char *
-- 
2.17.1