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usb_scan_devices: fix output with no devices

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We should check the return of usb_new_device() so that if no USB device is
found, we print out the right message rather than always saying "new usb
device found".

Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Remy Bohmer <linux@bohmer.net>
This commit is contained in:
Bryan Wu 2009-01-18 23:04:27 -05:00 committed by Remy Bohmer
parent f1c1f54024
commit 1a448db77b
1 changed files with 4 additions and 2 deletions
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6
common/usb.c
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@ -939,8 +939,10 @@ void usb_scan_devices(void)
dev_index = 0;
/* device 0 is always present (root hub, so let it analyze) */
dev = usb_alloc_new_device();
usb_new_device(dev);
printf("%d USB Device(s) found\n", dev_index);
if (usb_new_device(dev))
printf("No USB Device found\n");
else
printf("%d USB Device(s) found\n", dev_index);
/* insert "driver" if possible */
#ifdef CONFIG_USB_KEYBOARD
drv_usb_kbd_init();