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Date: Thu, 05 Oct 2023 20:51:40 +0000
From: Justin Stitt <>
To: "David S. Miller" <>, Eric Dumazet <>, 
	Jakub Kicinski <>, Paolo Abeni <>
Cc:,,, Justin Stitt <>
Subject: [PATCH] bcm63xx_enet: replace deprecated strncpy with strscpy

strncpy() is deprecated for use on NUL-terminated destination strings
[1] and as such we should prefer more robust and less ambiguous string

A suitable replacement is strscpy() [2] due to the fact that it
guarantees NUL-termination on the destination buffer without
unnecessarily NUL-padding.

bcm_enet_get_drvinfo() already uses strscpy(), let's match it's
|       static void bcm_enet_get_drvinfo(struct net_device *netdev,
|       				 struct ethtool_drvinfo *drvinfo)
|       {
|       	strscpy(drvinfo->driver, bcm_enet_driver_name, sizeof(drvinfo->driver));
|       	strscpy(drvinfo->bus_info, "bcm63xx", sizeof(drvinfo->bus_info));
|       }

Note that now bcm_enet_get_drvinfo() and bcm_enetsw_get_drvinfo() do the
exact same thing.

Link: [1]
Link: [2]
Signed-off-by: Justin Stitt <>
 drivers/net/ethernet/broadcom/bcm63xx_enet.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/broadcom/bcm63xx_enet.c b/drivers/net/ethernet/broadcom/bcm63xx_enet.c
index a741070f1f9a..8b18493759bf 100644
--- a/drivers/net/ethernet/broadcom/bcm63xx_enet.c
+++ b/drivers/net/ethernet/broadcom/bcm63xx_enet.c
@@ -2531,8 +2531,8 @@ static int bcm_enetsw_get_sset_count(struct net_device *netdev,
 static void bcm_enetsw_get_drvinfo(struct net_device *netdev,
 				   struct ethtool_drvinfo *drvinfo)
-	strncpy(drvinfo->driver, bcm_enet_driver_name, sizeof(drvinfo->driver));
-	strncpy(drvinfo->bus_info, "bcm63xx", sizeof(drvinfo->bus_info));
+	strscpy(drvinfo->driver, bcm_enet_driver_name, sizeof(drvinfo->driver));
+	strscpy(drvinfo->bus_info, "bcm63xx", sizeof(drvinfo->bus_info));
 static void bcm_enetsw_get_ethtool_stats(struct net_device *netdev,

base-commit: cbf3a2cb156a2c911d8f38d8247814b4c07f49a2
change-id: 20231005-strncpy-drivers-net-ethernet-broadcom-bcm63xx_enet-c-0a95cd331460

Best regards,
Justin Stitt <>

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