netdev - [PATCH net v2 10/21] iwlegacy: set .owner to THIS

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Date:   Sat,  7 Nov 2020 17:21:41 +0000
From:   Taehee Yoo <ap420073@...il.com>
To:     davem@...emloft.net, kuba@...nel.org, netdev@...r.kernel.org
Cc:     ap420073@...il.com, David.Laight@...lab.com,
        johannes@...solutions.net, nstange@...e.de, derosier@...il.com,
        kvalo@...eaurora.org, linux-wireless@...r.kernel.org,
        wil6210@....qualcomm.com, b43-dev@...ts.infradead.org,
        linux-bluetooth@...r.kernel.org, michael.hennerich@...log.com,
        linux-wpan@...r.kernel.org, stefan@...enfreihafen.org,
        inaky.perez-gonzalez@...el.com, linux-wimax@...el.com,
        emmanuel.grumbach@...el.com, luciano.coelho@...el.com,
        stf_xl@...pl, pkshih@...ltek.com, ath11k@...ts.infradead.org,
        ath10k@...ts.infradead.org, wcn36xx@...ts.infradead.org,
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        marcel@...tmann.org, johan.hedberg@...il.com, alex.aring@...il.com,
        jukka.rissanen@...ux.intel.com, arend.vanspriel@...adcom.com,
        franky.lin@...adcom.com, hante.meuleman@...adcom.com,
        chung-hsien.hsu@...ineon.com, wright.feng@...ineon.com,
        chi-hsien.lin@...ineon.com
Subject: [PATCH net v2 10/21] iwlegacy: set .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")
Fixes: 4bc85c1324aa ("Revert "iwlwifi: split the drivers for agn and legacy devices 3945/4965"")
Signed-off-by: Taehee Yoo <ap420073@...il.com>
---

v1 -> v2:
 - Change headline
 - Squash patches into per-driver/subsystem

 drivers/net/wireless/intel/iwlegacy/3945-rs.c | 1 +
 drivers/net/wireless/intel/iwlegacy/4965-rs.c | 3 +++
 drivers/net/wireless/intel/iwlegacy/debug.c   | 3 +++
 3 files changed, 7 insertions(+)

diff --git a/drivers/net/wireless/intel/iwlegacy/3945-rs.c b/drivers/net/wireless/intel/iwlegacy/3945-rs.c
index b2478cbe558e..b86e8ddc6f76 100644
--- a/drivers/net/wireless/intel/iwlegacy/3945-rs.c
+++ b/drivers/net/wireless/intel/iwlegacy/3945-rs.c
@@ -836,6 +836,7 @@ static const struct file_operations rs_sta_dbgfs_stats_table_ops = {
 	.read = il3945_sta_dbgfs_stats_table_read,
 	.open = simple_open,
 	.llseek = default_llseek,
+	.owner = THIS_MODULE,
 };
 
 static void
diff --git a/drivers/net/wireless/intel/iwlegacy/4965-rs.c b/drivers/net/wireless/intel/iwlegacy/4965-rs.c
index 9a491e5db75b..afe0b2121fc9 100644
--- a/drivers/net/wireless/intel/iwlegacy/4965-rs.c
+++ b/drivers/net/wireless/intel/iwlegacy/4965-rs.c
@@ -2669,6 +2669,7 @@ static const struct file_operations rs_sta_dbgfs_scale_table_ops = {
 	.read = il4965_rs_sta_dbgfs_scale_table_read,
 	.open = simple_open,
 	.llseek = default_llseek,
+	.owner = THIS_MODULE,
 };
 
 static ssize_t
@@ -2714,6 +2715,7 @@ static const struct file_operations rs_sta_dbgfs_stats_table_ops = {
 	.read = il4965_rs_sta_dbgfs_stats_table_read,
 	.open = simple_open,
 	.llseek = default_llseek,
+	.owner = THIS_MODULE,
 };
 
 static ssize_t
@@ -2742,6 +2744,7 @@ static const struct file_operations rs_sta_dbgfs_rate_scale_data_ops = {
 	.read = il4965_rs_sta_dbgfs_rate_scale_data_read,
 	.open = simple_open,
 	.llseek = default_llseek,
+	.owner = THIS_MODULE,
 };
 
 static void
diff --git a/drivers/net/wireless/intel/iwlegacy/debug.c b/drivers/net/wireless/intel/iwlegacy/debug.c
index d998a3f1b056..67fae353038c 100644
--- a/drivers/net/wireless/intel/iwlegacy/debug.c
+++ b/drivers/net/wireless/intel/iwlegacy/debug.c
@@ -136,6 +136,7 @@ static const struct file_operations il_dbgfs_##name##_ops = {	\
 	.read = il_dbgfs_##name##_read,				\
 	.open = simple_open,					\
 	.llseek = generic_file_llseek,				\
+	.owner = THIS_MODULE,					\
 };
 
 #define DEBUGFS_WRITE_FILE_OPS(name)				\
@@ -144,6 +145,7 @@ static const struct file_operations il_dbgfs_##name##_ops = {	\
 	.write = il_dbgfs_##name##_write,			\
 	.open = simple_open,					\
 	.llseek = generic_file_llseek,				\
+	.owner = THIS_MODULE,					\
 };
 
 #define DEBUGFS_READ_WRITE_FILE_OPS(name)			\
@@ -154,6 +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