diff mbox

rtlwifi: Handle memory free

Message ID 20170704072147.GA5678@symbol-HP-ZBook-15 (mailing list archive)
State Changes Requested
Delegated to: Kalle Valo
Headers show

Commit Message

Souptick Joarder July 4, 2017, 7:21 a.m. UTC 
This patch will fix memory leak when firmware load fails

Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com>
---
 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(+)

Comments

Larry Finger July 4, 2017, 8:23 p.m. UTC | #1 
On 07/04/2017 02:21 AM, Souptick Joarder wrote:
> This patch will fix memory leak when firmware load fails
> 
> Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com>

The patch title needs to be improved. "Handle memory free" tells us nothing

NACK.

Larry
Souptick Joarder July 5, 2017, 12:44 p.m. UTC | #2 
On Wed, Jul 5, 2017 at 1:53 AM, Larry Finger <Larry.Finger@lwfinger.net> wrote:
> On 07/04/2017 02:21 AM, Souptick Joarder wrote:
>>
>> This patch will fix memory leak when firmware load fails
>>
>> Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com>
>
>
> The patch title needs to be improved. "Handle memory free" tells us nothing

Ok, I will change the patch title and send a new patch.
>
> NACK.
>
> Larry
diff mbox

Patch

diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/sw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/sw.c
index 7661cfa..37489b4 100644
--- 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_hw *hw)
 				      rtl_fw_cb);
 	if (err) {
 		pr_info("Failed to request firmware!\n");
+		vfree(rtlpriv->rtlhal.pfirmware);
+		rtlpriv->rtlhal.pfirmware = NULL;
 		return 1;
 	}
 
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192ce/sw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192ce/sw.c
index bcbb0c6..38f85bf 100644
--- 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_hw *hw)
 				      rtl_fw_cb);
 	if (err) {
 		pr_err("Failed to request firmware!\n");
+		vfree(rtlpriv->rtlhal.pfirmware);
+		rtlpriv->rtlhal.pfirmware = NULL;
 		return 1;
 	}
 
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/sw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/sw.c
index 62d9214..dfbbd35 100644
--- 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 ieee80211_hw *hw)
 	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;
 }
 
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192de/sw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/sw.c
index 16132c6..e38d6f7 100644
--- 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 ieee80211_hw *hw)
 				      rtl_fw_cb);
 	if (err) {
 		pr_err("Failed to request firmware!\n");
+		vfree(rtlpriv->rtlhal.pfirmware);
+		rtlpriv->rtlhal.pfirmware = NULL;
 		return 1;
 	}
 
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/sw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/sw.c
index 48820bc..6f2d1f0 100644
--- 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 ieee80211_hw *hw)
 				      rtl_fw_cb);
 	if (err) {
 		pr_err("Failed to request firmware!\n");
+		vfree(rtlpriv->rtlhal.pfirmware);
+		rtlpriv->rtlhal.pfirmware = NULL;
 		return 1;
 	}
 
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192se/sw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192se/sw.c
index 2006b09..1ec20ef 100644
--- 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 ieee80211_hw *hw)
 				      rtl92se_fw_cb);
 	if (err) {
 		pr_err("Failed to request firmware!\n");
+		vfree(rtlpriv->rtlhal.pfirmware);
+		rtlpriv->rtlhal.pfirmware = NULL;
 		return 1;
 	}
 
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/sw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/sw.c
index 7bf9f25..aab8666 100644
--- 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 ieee80211_hw *hw)
 				      rtl_fw_cb);
 	if (err) {
 		pr_err("Failed to request firmware!\n");
+		vfree(rtlpriv->rtlhal.pfirmware);
+		rtlpriv->rtlhal.pfirmware = NULL;
 		return 1;
 	}
 	return 0;
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8723be/sw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8723be/sw.c
index 8c0ac96..b7a5f92 100644
--- 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 ieee80211_hw *hw)
 					      rtl_fw_cb);
 		if (err) {
 			pr_err("Failed to request firmware!\n");
+			vfree(rtlpriv->rtlhal.pfirmware);
+			rtlpriv->rtlhal.pfirmware = NULL;
 			return 1;
 		}
 	}
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/sw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/sw.c
index abaf34c..5272fb4 100644
--- 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 ieee80211_hw *hw)
 	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 ieee80211_hw *hw)
 					      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 ieee80211_hw *hw)
 				      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;