diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/eth-uclass.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/net/eth-uclass.c b/net/eth-uclass.c index c3cc315..4c80944 100644 --- a/net/eth-uclass.c +++ b/net/eth-uclass.c @@ -3,6 +3,8 @@ * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * Joe Hershberger, National Instruments * + * Copyright 2017 NXP + * * SPDX-License-Identifier: GPL-2.0+ */ @@ -40,8 +42,12 @@ static int eth_errno; static struct eth_uclass_priv *eth_get_uclass_priv(void) { struct uclass *uc; + int ret; + + ret = uclass_get(UCLASS_ETH, &uc); + if (ret) + return NULL; - uclass_get(UCLASS_ETH, &uc); assert(uc); return uc->priv; } @@ -102,6 +108,7 @@ struct udevice *eth_get_dev_by_name(const char *devname) struct udevice *it; struct uclass *uc; int len = strlen("eth"); + int ret; /* Must be longer than 3 to be an alias */ if (!strncmp(devname, "eth", len) && strlen(devname) > len) { @@ -109,7 +116,10 @@ struct udevice *eth_get_dev_by_name(const char *devname) seq = simple_strtoul(startp, &endp, 10); } - uclass_get(UCLASS_ETH, &uc); + ret = uclass_get(UCLASS_ETH, &uc); + if (ret) + return NULL; + uclass_foreach_dev(it, uc) { /* * We need the seq to be valid, so try to probe it. |