[U-Boot] [PATCH 1/1 RESEND] NET: Fix system hanging if NET device is not installed

[Stephen Warren]

On 06/05/2013 01:07 AM, Jim Lin wrote:
> If we try to boot from NET device, NetInitLoop in net.c will be invoked.
> If NET device is not installed, eth_get_dev() function will return
> eth_current value, which is NULL.
> When NetInitLoop is called, "eth_get_dev->enetaddr" will access
> restricted memory area and therefore cause hanging.
> This issue is found on Tegra30 Cardhu platform after adding
> CONFIG_CMD_NET and CONFIG_CMD_DHCP in config header file.

Oh, you didn't send this patch to anyone, just the mailing list. I added
the net maintainer to Cc so he'll see this patch.

BTW, this is a critical bugfix, to avoid hangs without any USB Ethernet
device attached.