linux-kernel - [PATCH net-next v1 1/5] net: pktgen: replace ENOTSUPP with EOPNOTSUPP

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Message-ID: <20250117141613.691452-2-ps.report@gmx.net>
Date: Fri, 17 Jan 2025 15:16:09 +0100
From: Peter Seiderer <ps.report@....net>
To: netdev@...r.kernel.org
Cc: linux-kernel@...r.kernel.org,
	linux-kselftest@...r.kernel.org,
	"David S . Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Simon Horman <horms@...nel.org>,
	Shuah Khan <shuah@...nel.org>,
	Toke Høiland-Jørgensen <toke@...hat.com>,
	Frederic Weisbecker <frederic@...nel.org>,
	Artem Chernyshev <artem.chernyshev@...-soft.ru>,
	Nam Cao <namcao@...utronix.de>,
	Peter Seiderer <ps.report@....net>
Subject: [PATCH net-next v1 1/5] net: pktgen: replace ENOTSUPP with EOPNOTSUPP

Replace ENOTSUPP with EOPNOTSUPP, fixes checkpatch hint

  WARNING: ENOTSUPP is not a SUSV4 error code, prefer EOPNOTSUPP

and e.g.

  $ echo "clone_skb 1" > /proc/net/pktgen/lo\@0
  -bash: echo: write error: Unknown error 524

Signed-off-by: Peter Seiderer <ps.report@....net>
---
 net/core/pktgen.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 82b6a2c3c141..496aa16773e7 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -1198,7 +1198,7 @@ static ssize_t pktgen_if_write(struct file *file,
 		if ((value > 0) &&
 		    ((pkt_dev->xmit_mode == M_NETIF_RECEIVE) ||
 		     !(pkt_dev->odev->priv_flags & IFF_TX_SKB_SHARING)))
-			return -ENOTSUPP;
+			return -EOPNOTSUPP;
 		if (value > 0 && (pkt_dev->n_imix_entries > 0 ||
 				  !(pkt_dev->flags & F_SHARED)))
 			return -EINVAL;
@@ -1258,7 +1258,7 @@ static ssize_t pktgen_if_write(struct file *file,
 		    ((pkt_dev->xmit_mode == M_QUEUE_XMIT) ||
 		     ((pkt_dev->xmit_mode == M_START_XMIT) &&
 		     (!(pkt_dev->odev->priv_flags & IFF_TX_SKB_SHARING)))))
-			return -ENOTSUPP;
+			return -EOPNOTSUPP;
 
 		if (value > 1 && !(pkt_dev->flags & F_SHARED))
 			return -EINVAL;
@@ -1303,7 +1303,7 @@ static ssize_t pktgen_if_write(struct file *file,
 		} else if (strcmp(f, "netif_receive") == 0) {
 			/* clone_skb set earlier, not supported in this mode */
 			if (pkt_dev->clone_skb > 0)
-				return -ENOTSUPP;
+				return -EOPNOTSUPP;
 
 			pkt_dev->xmit_mode = M_NETIF_RECEIVE;
 
-- 
2.48.0