From: <sean.wang@mediatek.com>
To: <nbd@nbd.name>, <lorenzo.bianconi@redhat.com>
Cc: linux-mediatek@lists.infradead.org, sean.wang@mediatek.com,
linux-wireless@vger.kernel.org, ryder.lee@mediatek.com
Subject: [PATCH 1/3] mt76: mt7663u: fix memory leak in set key
Date: Tue, 30 Jun 2020 12:37:49 +0800 [thread overview]
Message-ID: <5e8786d9cf0ccd09dd9c13c24c48ce441afbf0ff.1593491298.git.sean.wang@mediatek.com> (raw)
From: Sean Wang <sean.wang@mediatek.com>
Fix memory leak in set key.
Fixes: eb99cc95c3b6 ("mt76: mt7615: introduce mt7663u support")
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
---
.../net/wireless/mediatek/mt76/mt7615/usb.c | 22 +++++++++++++------
1 file changed, 15 insertions(+), 7 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/usb.c b/drivers/net/wireless/mediatek/mt76/mt7615/usb.c
index 0ba28d37c414..96a081be108e 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/usb.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/usb.c
@@ -165,12 +165,16 @@ __mt7663u_mac_set_key(struct mt7615_dev *dev,
lockdep_assert_held(&dev->mt76.mutex);
- if (!sta)
- return -EINVAL;
+ if (!sta) {
+ err = -EINVAL;
+ goto out;
+ }
cipher = mt7615_mac_get_cipher(key->cipher);
- if (cipher == MT_CIPHER_NONE)
- return -EOPNOTSUPP;
+ if (cipher == MT_CIPHER_NONE) {
+ err = -EOPNOTSUPP;
+ goto out;
+ }
wcid = &wd->sta->wcid;
@@ -178,19 +182,23 @@ __mt7663u_mac_set_key(struct mt7615_dev *dev,
err = mt7615_mac_wtbl_update_key(dev, wcid, key->key, key->keylen,
cipher, key->cmd);
if (err < 0)
- return err;
+ goto out;
err = mt7615_mac_wtbl_update_pk(dev, wcid, cipher, key->keyidx,
key->cmd);
if (err < 0)
- return err;
+ goto out;
if (key->cmd == SET_KEY)
wcid->cipher |= BIT(cipher);
else
wcid->cipher &= ~BIT(cipher);
- return 0;
+out:
+ kfree(key->key);
+ kfree(wd);
+
+ return err;
}
void mt7663u_wtbl_work(struct work_struct *work)
--
2.25.1
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next reply other threads:[~2020-06-30 4:38 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-30 4:37 sean.wang [this message]
2020-06-30 4:37 ` [PATCH 2/3] mt76: mt7663u: fix potential memory leak in mcu message handler sean.wang
2020-06-30 7:13 ` Lorenzo Bianconi
2020-06-30 4:37 ` [PATCH 3/3] mt76: mt7615: " sean.wang
2020-06-30 7:17 ` Lorenzo Bianconi
2020-06-30 7:07 ` [PATCH 1/3] mt76: mt7663u: fix memory leak in set key Lorenzo Bianconi
2020-06-30 7:24 ` Lorenzo Bianconi
2020-06-30 21:41 ` sean.wang
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