wifi: mt76: Add check for devm_kstrdup()

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>

diff --git a/drivers/net/wireless/mediatek/mt76/eeprom.c b/drivers/net/wireless/mediatek/mt76/eeprom.c
index 0bc66cc19acd1ea252d7efedff2d8d84bf01b50a..443517d06c9fa99935def44bfe0794b6a666fb17 100644 (file)
--- a/drivers/net/wireless/mediatek/mt76/eeprom.c
+++ b/drivers/net/wireless/mediatek/mt76/eeprom.c
@@ -95,6 +95,10 @@ int mt76_get_of_data_from_mtd(struct mt76_dev *dev, void *eep, int offset, int l
 
 #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