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authorSven Eckelmann2025-11-23 14:10:41 +0000
committerHauke Mehrtens2025-11-24 23:28:50 +0000
commit80375e5acdaaf7555cd44ee1c8f247f701c6c5cb (patch)
treefca971134716ab3ad92a21a15617cff2f37b2b79
parentbc71e705aa03ccf97d1044e8c0f9e415413ca12c (diff)
downloadopenwrt-80375e5acdaaf7555cd44ee1c8f247f701c6c5cb.tar.gz
realtek: ethernet: Avoid usage of unsafe strcpy
strcpy doesn't check the length of the destination buffer. And strlcpy would not make sure to null-terminate the destination buffer. Even when it is clear that this string will fit in the currrent buffer, it is just best practice to avoid strcpy. Signed-off-by: Sven Eckelmann <sven@narfation.org> Link: https://github.com/openwrt/openwrt/pull/20906 Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
-rw-r--r--target/linux/realtek/files-6.12/drivers/net/ethernet/rtl838x_eth.c3
1 files changed, 2 insertions, 1 deletions
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 d9c0fb16a3..91ea29d6c0 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
@@ -1798,7 +1798,8 @@ static int __init rtl838x_eth_probe(struct platform_device *pdev)
}
pr_info("Using MAC %08x%08x\n", sw_r32(priv->r->mac),
sw_r32(priv->r->mac + 4));
- strcpy(dev->name, "eth%d");
+ strscpy(dev->name, "eth%d", sizeof(dev->name));
+
priv->pdev = pdev;
priv->netdev = dev;