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Message-Id: <20170908131828.086373798@linuxfoundation.org>
Date: Fri, 8 Sep 2017 15:19:30 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org, Souptick Joarder <jrdr.linux@...il.com>,
Larry Finger <Larry.Finger@...inger.net>,
Kalle Valo <kvalo@...eaurora.org>,
Sven Joachim <svenjoac@....de>
Subject: [PATCH 4.12 42/43] rtlwifi: Fix memory leak when firmware request fails
4.12-stable review patch. If anyone has any objections, please let me know.
------------------
From: Souptick Joarder <jrdr.linux@...il.com>
commit f2764f61fa10593204b0c5e4e9a68dba02112e50 upstream.
This patch will fix memory leak when firmware request fails
Signed-off-by: Souptick Joarder <jrdr.linux@...il.com>
Acked-by: Larry Finger <Larry.Finger@...inger.net>
Signed-off-by: Kalle Valo <kvalo@...eaurora.org>
Cc: Sven Joachim <svenjoac@....de>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
drivers/net/wireless/realtek/rtlwifi/rtl8188ee/sw.c | 2 ++
drivers/net/wireless/realtek/rtlwifi/rtl8192ce/sw.c | 2 ++
drivers/net/wireless/realtek/rtlwifi/rtl8192cu/sw.c | 4 ++++
drivers/net/wireless/realtek/rtlwifi/rtl8192de/sw.c | 2 ++
drivers/net/wireless/realtek/rtlwifi/rtl8192ee/sw.c | 2 ++
drivers/net/wireless/realtek/rtlwifi/rtl8192se/sw.c | 2 ++
drivers/net/wireless/realtek/rtlwifi/rtl8723ae/sw.c | 2 ++
drivers/net/wireless/realtek/rtlwifi/rtl8723be/sw.c | 2 ++
drivers/net/wireless/realtek/rtlwifi/rtl8821ae/sw.c | 6 ++++++
9 files changed, 24 insertions(+)
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/sw.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/sw.c
@@ -175,6 +175,8 @@ int rtl88e_init_sw_vars(struct ieee80211
rtl_fw_cb);
if (err) {
pr_info("Failed to request firmware!\n");
+ vfree(rtlpriv->rtlhal.pfirmware);
+ rtlpriv->rtlhal.pfirmware = NULL;
return 1;
}
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8192ce/sw.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192ce/sw.c
@@ -176,6 +176,8 @@ int rtl92c_init_sw_vars(struct ieee80211
rtl_fw_cb);
if (err) {
pr_err("Failed to request firmware!\n");
+ vfree(rtlpriv->rtlhal.pfirmware);
+ rtlpriv->rtlhal.pfirmware = NULL;
return 1;
}
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/sw.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/sw.c
@@ -85,6 +85,10 @@ static int rtl92cu_init_sw_vars(struct i
err = request_firmware_nowait(THIS_MODULE, 1,
fw_name, rtlpriv->io.dev,
GFP_KERNEL, hw, rtl_fw_cb);
+ if (err) {
+ vfree(rtlpriv->rtlhal.pfirmware);
+ rtlpriv->rtlhal.pfirmware = NULL;
+ }
return err;
}
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8192de/sw.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/sw.c
@@ -183,6 +183,8 @@ static int rtl92d_init_sw_vars(struct ie
rtl_fw_cb);
if (err) {
pr_err("Failed to request firmware!\n");
+ vfree(rtlpriv->rtlhal.pfirmware);
+ rtlpriv->rtlhal.pfirmware = NULL;
return 1;
}
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/sw.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/sw.c
@@ -177,6 +177,8 @@ int rtl92ee_init_sw_vars(struct ieee8021
rtl_fw_cb);
if (err) {
pr_err("Failed to request firmware!\n");
+ vfree(rtlpriv->rtlhal.pfirmware);
+ rtlpriv->rtlhal.pfirmware = NULL;
return 1;
}
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8192se/sw.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192se/sw.c
@@ -216,6 +216,8 @@ static int rtl92s_init_sw_vars(struct ie
rtl92se_fw_cb);
if (err) {
pr_err("Failed to request firmware!\n");
+ vfree(rtlpriv->rtlhal.pfirmware);
+ rtlpriv->rtlhal.pfirmware = NULL;
return 1;
}
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/sw.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/sw.c
@@ -184,6 +184,8 @@ int rtl8723e_init_sw_vars(struct ieee802
rtl_fw_cb);
if (err) {
pr_err("Failed to request firmware!\n");
+ vfree(rtlpriv->rtlhal.pfirmware);
+ rtlpriv->rtlhal.pfirmware = NULL;
return 1;
}
return 0;
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8723be/sw.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8723be/sw.c
@@ -195,6 +195,8 @@ int rtl8723be_init_sw_vars(struct ieee80
rtl_fw_cb);
if (err) {
pr_err("Failed to request firmware!\n");
+ vfree(rtlpriv->rtlhal.pfirmware);
+ rtlpriv->rtlhal.pfirmware = NULL;
return 1;
}
}
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/sw.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/sw.c
@@ -196,6 +196,8 @@ int rtl8821ae_init_sw_vars(struct ieee80
rtlpriv->rtlhal.wowlan_firmware = vzalloc(0x8000);
if (!rtlpriv->rtlhal.wowlan_firmware) {
pr_err("Can't alloc buffer for wowlan fw.\n");
+ vfree(rtlpriv->rtlhal.pfirmware);
+ rtlpriv->rtlhal.pfirmware = NULL;
return 1;
}
@@ -222,6 +224,8 @@ int rtl8821ae_init_sw_vars(struct ieee80
rtl_fw_cb);
if (err) {
pr_err("Failed to request normal firmware!\n");
+ vfree(rtlpriv->rtlhal.wowlan_firmware);
+ vfree(rtlpriv->rtlhal.pfirmware);
return 1;
}
}
@@ -233,6 +237,8 @@ int rtl8821ae_init_sw_vars(struct ieee80
rtl_wowlan_fw_cb);
if (err) {
pr_err("Failed to request wowlan firmware!\n");
+ vfree(rtlpriv->rtlhal.wowlan_firmware);
+ vfree(rtlpriv->rtlhal.pfirmware);
return 1;
}
return 0;
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