From d6a197dbc9a20b9606a7ebc8d7effff35d2b6c25 Mon Sep 17 00:00:00 2001 From: Haoxiang Li Date: Wed, 19 Feb 2025 11:36:45 +0800 Subject: [PATCH] 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 Link: https://patch.msgid.link/20250219033645.2594753-1-haoxiang_li2024@163.com Signed-off-by: Felix Fietkau --- eeprom.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/eeprom.c b/eeprom.c index ab4fab11..30b744a1 100644 --- a/eeprom.c +++ b/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