USB: log an error message when USB enumeration fails

commit: 6427f7995338387ddded92f98adec19ddbf0ae5e

This patch (as1077) logs an error message whenever the kernel is
unable to enumerate a new USB device.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 68fc5219ca152ae45144cd541f85ff0f0008a8d4..7f1bc9701192e88cfb33d30c81997e616048dd7c 100644 (file)
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -2664,6 +2664,7 @@ loop:
                if ((status == -ENOTCONN) || (status == -ENOTSUPP))
                        break;
        }
+       dev_err(hub_dev, "unable to enumerate USB device on port %d\n", port1);
  
 done:
        hub_port_disable(hub, port1, 1);