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 832b0792e0e9cb195efc5bad4f27b1e842e59421..05f5ba184cfbafda3c87d4fdc36d08ee75bb9fd9 100644 (file)
--- a/drivers/net/wireless/mediatek/mt76/eeprom.c
+++ b/drivers/net/wireless/mediatek/mt76/eeprom.c
@@ -74,6 +74,10 @@ int mt76_get_of_eeprom(struct mt76_dev *dev, void *eep, int offset, int len)
 
 #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