From: Haoxiang Li Date: Wed, 19 Feb 2025 03:36:45 +0000 (+0800) Subject: wifi: mt76: Add check for devm_kstrdup() X-Git-Tag: v5.15.181~288 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=977fb8126e5c7dc8aeacc92042ce79730b6efa52;p=thirdparty%2Fkernel%2Fstable.git 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 Link: https://patch.msgid.link/20250219033645.2594753-1-haoxiang_li2024@163.com Signed-off-by: Felix Fietkau Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/net/wireless/mediatek/mt76/eeprom.c b/drivers/net/wireless/mediatek/mt76/eeprom.c index 832b0792e0e9c..05f5ba184cfba 100644 --- 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