netdev - [PATCH net 034/117] wlcore: set DEBUGFS_FWSTATS_FILE_ARRAY.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 15:50:46 +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 034/117] wlcore: set DEBUGFS_FWSTATS_FILE_ARRAY.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: bcca1bbdd412 ("wlcore: add debugfs macro to help print fw statistics arrays")
Signed-off-by: Taehee Yoo <ap420073@...il.com>
---
 drivers/net/wireless/ti/wlcore/debugfs.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/wireless/ti/wlcore/debugfs.h b/drivers/net/wireless/ti/wlcore/debugfs.h
index 681dead95e0c..2889cf0bcfb7 100644
--- a/drivers/net/wireless/ti/wlcore/debugfs.h
+++ b/drivers/net/wireless/ti/wlcore/debugfs.h
@@ -95,6 +95,7 @@ static const struct file_operations sub## _ ##name## _ops = {		\
 	.read = sub## _ ##name## _read,					\
 	.open = simple_open,						\
 	.llseek	= generic_file_llseek,					\
+	.owner = THIS_MODULE,						\
 };
 
 #define DEBUGFS_FWSTATS_ADD(sub, name)					\
-- 
2.17.1