[PATCH] packet: move from strlcpy with unused retval to strscpy

[PATCH] packet: move from strlcpy with unused retval to strscpy

[Wolfram Sang]

Follow the advice of the below link and prefer 'strscpy' in this
subsystem. Conversion is 1:1 because the return value is not used.
Generated by a coccinelle script.

Link: https://lore.kernel.org/r/CAHk-=wgfRnXz0W3D37d01q3JFkr_i_uTL=V6A6G1oUZcprmknw@mail.gmail.com/
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
---
 net/packet/af_packet.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 5cbe07116e04..7de46d831349 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -1905,7 +1905,7 @@ static int packet_rcv_spkt(struct sk_buff *skb, struct net_device *dev,
 	 */
 
 	spkt->spkt_family = dev->type;
-	strlcpy(spkt->spkt_device, dev->name, sizeof(spkt->spkt_device));
+	strscpy(spkt->spkt_device, dev->name, sizeof(spkt->spkt_device));
 	spkt->spkt_protocol = skb->protocol;
 
 	/*
@@ -3565,7 +3565,7 @@ static int packet_getname_spkt(struct socket *sock, struct sockaddr *uaddr,
 	rcu_read_lock();
 	dev = dev_get_by_index_rcu(sock_net(sk), READ_ONCE(pkt_sk(sk)->ifindex));
 	if (dev)
-		strlcpy(uaddr->sa_data, dev->name, sizeof(uaddr->sa_data));
+		strscpy(uaddr->sa_data, dev->name, sizeof(uaddr->sa_data));
 	rcu_read_unlock();
 
 	return sizeof(*uaddr);
-- 
2.35.1

Re: [PATCH] packet: move from strlcpy with unused retval to strscpy

[patchwork-bot+netdevbpf]

Hello:

This patch was applied to netdev/net-next.git (master)
by Jakub Kicinski <kuba@kernel.org>:

On Thu, 18 Aug 2022 23:02:27 +0200 you wrote:
> Follow the advice of the below link and prefer 'strscpy' in this
> subsystem. Conversion is 1:1 because the return value is not used.
> Generated by a coccinelle script.
> 
> Link: https://lore.kernel.org/r/CAHk-=wgfRnXz0W3D37d01q3JFkr_i_uTL=V6A6G1oUZcprmknw@mail.gmail.com/
> Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
> 
> [...]

Here is the summary with links:
  - packet: move from strlcpy with unused retval to strscpy
    https://git.kernel.org/netdev/net-next/c/8fc9d51ea2d3

You are awesome, thank you!
-- 
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