[PATCH] sandbox: net: lwip: use EOPNOTSUPP not ENOTSUPP

[Jerome Forissier]

EOPNOTSUPP is the recommended SUSV4 error code that should be used
instead of ENOTSUPP.

Signed-off-by: Jerome Forissier <jerome.foriss...@linaro.org>
---
 drivers/net/sandbox-lwip.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/sandbox-lwip.c b/drivers/net/sandbox-lwip.c
index 3721033c310..5c9a0cb1b9f 100644
--- a/drivers/net/sandbox-lwip.c
+++ b/drivers/net/sandbox-lwip.c
@@ -27,7 +27,7 @@ static int sb_lwip_eth_send(struct udevice *dev, void 
*packet, int length)
 {
        debug("eth_sandbox_lwip: Send packet %d\n", length);
 
-       return -ENOTSUPP;
+       return -EOPNOTSUPP;
 }
 
 static int sb_lwip_eth_recv(struct udevice *dev, int flags, uchar **packetp)
-- 
2.40.1