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@gmx.net>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250219084527.20488-2-ps.report@gmx.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 82b6a2c3c141f29790c40c34d0f4361faf2b1f2e..496aa16773e787919a3877f00c644dcb77c9ce02 100644 (file)
--- 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;