From: Jiri Slaby <jirislaby@gmail.com>
Date: Wed, 11 Mar 2009 20:47:36 +0000 (+0100)
Subject: USB: atm/cxacru, fix lock imbalance
X-Git-Tag: v2.6.29~25^2~12
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=eeafa64b7a4134da24d48ed944e48541f8171152;p=~shefty%2Frdma-dev.git

USB: atm/cxacru, fix lock imbalance

We do not hold mutex in one place in cxacru_cm, but unlock it on fail path.
Fix this.

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Cc: Simon Arlott <cxacru@fire.lp0.eu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/usb/atm/cxacru.c b/drivers/usb/atm/cxacru.c
index 5ed4ae07bac..6789089e246 100644
--- a/drivers/usb/atm/cxacru.c
+++ b/drivers/usb/atm/cxacru.c
@@ -485,7 +485,7 @@ static int cxacru_cm(struct cxacru_data *instance, enum cxacru_cm_request cm,
 			usb_err(instance->usbatm, "requested transfer size too large (%d, %d)\n",
 				wbuflen, rbuflen);
 		ret = -ENOMEM;
-		goto fail;
+		goto err;
 	}
 
 	mutex_lock(&instance->cm_serialize);
@@ -565,6 +565,7 @@ static int cxacru_cm(struct cxacru_data *instance, enum cxacru_cm_request cm,
 	dbg("cm %#x", cm);
 fail:
 	mutex_unlock(&instance->cm_serialize);
+err:
 	return ret;
 }