wifi: mt76: Add check for devm_kstrdup()

commit 4bc1da524b502999da28d287de4286c986a1af57 upstream.

Add check for the return value of devm_kstrdup() in
mt76_get_of_data_from_mtd() to catch potential exception.

Fixes: e7a6a044f9b9 ("mt76: testmode: move mtd part to mt76_dev")
Cc: stable@vger.kernel.org
Signed-off-by: Haoxiang Li <haoxiang_li2024@163.com>
Link: https://patch.msgid.link/20250219033645.2594753-1-haoxiang_li2024@163.com
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/net/wireless/mediatek/mt76/eeprom.c b/drivers/net/wireless/mediatek/mt76/eeprom.c
index 1de3c734e136a4076357bfd3cf30e5f6bd7033c9..49e6c866a57fc2be3408866adc15db8af962c5b4 100644 (file)
--- a/drivers/net/wireless/mediatek/mt76/eeprom.c
+++ b/drivers/net/wireless/mediatek/mt76/eeprom.c
@@ -95,6 +95,10 @@ static int mt76_get_of_epprom_from_mtd(struct mt76_dev *dev, void *eep, int offs
 
 #ifdef CONFIG_NL80211_TESTMODE
        dev->test_mtd.name = devm_kstrdup(dev->dev, part, GFP_KERNEL);
+       if (!dev->test_mtd.name) {
+               ret = -ENOMEM;
+               goto out_put_node;
+       }
        dev->test_mtd.offset = offset;
 #endif