From: Bryan Wu <bryan.wu@analog.com>
Date: Mon, 19 Jan 2009 04:04:27 +0000 (-0500)
Subject: usb_scan_devices: fix output with no devices
X-Git-Tag: v2009.03-rc1~146^2
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=1a448db77b10153703bc5e4ad13dd55d88beb1d6;p=oweals%2Fu-boot.git

usb_scan_devices: fix output with no devices

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>
---

diff --git a/common/usb.c b/common/usb.c
index 5f46831528..87fca70706 100644
--- a/common/usb.c
+++ b/common/usb.c
@@ -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();