From 1a448db77b10153703bc5e4ad13dd55d88beb1d6 Mon Sep 17 00:00:00 2001
From: Bryan Wu <bryan.wu@analog.com>
Date: Sun, 18 Jan 2009 23:04:27 -0500
Subject: [PATCH] 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>
---
common/usb.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
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();
--
2.39.5