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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2021-12-13 15:06:00 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2021-12-13 23:37:32 +0100 |
| commit | 2640f8973a068f0c14145835926271aaada618a3 (patch) | |
| tree | 18096a4e71041b83c015ada3ae3fe71be47ea4bf | |
| parent | 2d045825e09117c13510b90481b4b2fd1471318a (diff) | |
| download | barebox-2640f8973a068f0c14145835926271aaada618a3.tar.gz barebox-2640f8973a068f0c14145835926271aaada618a3.tar.xz | |
net: efi-snp: Check for carrier before sending
We have carrier informations available, so check them before sending a
packet.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| -rw-r--r-- | drivers/net/efi-snp.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/efi-snp.c b/drivers/net/efi-snp.c index cc34ad5aaf..beab18ad6b 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)); |