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eth: remove usb-ethernet devices before re-enumerating them

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Fix the crash when running several times usb_init() with a USB ethernet
device plugged.

Signed-off-by: Vincent Palatin <vpalatin@chromium.org>
Tested-by: Wolfgang Grandegger <wg@denx.de>
This commit is contained in:
Vincent Palatin
2012-01-09 08:32:36 +00:00
committed by Wolfgang Denk
parent e159e4868e
commit e7e982d69c
3 changed files with 35 additions and 2 deletions
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7
drivers/usb/eth/usb_ether.c
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@@ -127,8 +127,11 @@ int usb_host_eth_scan(int mode)
old_async = usb_disable_asynch(1); /* asynch transfer not allowed */
for (i = 0; i < USB_MAX_ETH_DEV; i++)
memset(&usb_eth[i], 0, sizeof(usb_eth[i]));
/* unregister a previously detected device */
for (i = 0; i < usb_max_eth_dev; i++)
eth_unregister(&usb_eth[i].eth_dev);
memset(usb_eth, 0, sizeof(usb_eth));
for (i = 0; prob_dev[i].probe; i++) {
if (prob_dev[i].before_probe)