We have carrier informations available, so check them before sending a
packet.
Signed-off-by: Sascha Hauer <s.ha...@pengutronix.de>
---
drivers/net/efi-snp.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/net/efi-snp.c b/drivers/net/efi-snp.c
index def2714bee..3c0663c802 100644
--- a/drivers/net/efi-snp.c
+++ b/drivers/net/efi-snp.c
@@ -134,6 +134,9 @@ static int efi_snp_eth_send(struct eth_device *edev, void
*packet, int length)
void *txbuf;
uint64_t start;
+ if (!priv->snp->Mode->MediaPresent)
+ return -ENOMEDIUM;
+
efiret = priv->snp->transmit(priv->snp, 0, length, packet, NULL, NULL,
NULL);
if (EFI_ERROR(efiret)) {
dev_err(priv->dev, "failed to send: %s\n",
efi_strerror(efiret));
--
2.30.2
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