From: Carl-Daniel Hailfinger Date: Mon, 12 Jan 2026 11:02:24 +0000 (+0100) Subject: realtek: ethernet: avoid using unitialized memory X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=19b8d391a95d5a2fa038551a9498a9fd426dfc0e;p=thirdparty%2Fopenwrt.git realtek: ethernet: avoid using unitialized memory The mac_addr variable was not zero-initialized, causing weird side effects when the memory contents were a valid MAC address. Signed-off-by: Carl-Daniel Hailfinger Link: https://github.com/openwrt/openwrt/pull/21504 Signed-off-by: Stijn Tintel --- diff --git a/target/linux/realtek/files-6.12/drivers/net/ethernet/rtl838x_eth.c b/target/linux/realtek/files-6.12/drivers/net/ethernet/rtl838x_eth.c index c8d08a8ad97..c4ea1dfc718 100644 --- a/target/linux/realtek/files-6.12/drivers/net/ethernet/rtl838x_eth.c +++ b/target/linux/realtek/files-6.12/drivers/net/ethernet/rtl838x_eth.c @@ -1655,7 +1655,7 @@ static int rtl838x_eth_probe(struct platform_device *pdev) const struct rteth_config *matchdata; phy_interface_t phy_mode; struct phylink *phylink; - u8 mac_addr[ETH_ALEN]; + u8 mac_addr[ETH_ALEN] = {0}; int err = 0, rxrings, rxringlen; struct ring_b *ring;