From: Oliver Neukum <oliver@neukum.org>
Date: Wed, 18 Apr 2012 08:05:55 +0000 (+0200)
Subject: uwb: fix error handling
X-Git-Tag: v3.2.17~155
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=82738cc03fddc48211a5a5c845c192a914e4971c;p=karo-tx-linux.git

uwb: fix error handling

commit 5bd7b419ef2eb4989b207753e088c3437159618a upstream.

Fatal errors such as a device disconnect must not trigger
error handling. The error returns must be checked.

Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

diff --git a/drivers/uwb/hwa-rc.c b/drivers/uwb/hwa-rc.c
index 2babcd4fbfc1..86685e994987 100644
--- a/drivers/uwb/hwa-rc.c
+++ b/drivers/uwb/hwa-rc.c
@@ -645,7 +645,8 @@ void hwarc_neep_cb(struct urb *urb)
 		dev_err(dev, "NEEP: URB error %d\n", urb->status);
 	}
 	result = usb_submit_urb(urb, GFP_ATOMIC);
-	if (result < 0) {
+	if (result < 0 && result != -ENODEV && result != -EPERM) {
+		/* ignoring unrecoverable errors */
 		dev_err(dev, "NEEP: Can't resubmit URB (%d) resetting device\n",
 			result);
 		goto error;