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 5ed4ae0..6789089 100644
--- a/drivers/usb/atm/cxacru.c
+++ b/drivers/usb/atm/cxacru.c
@@ -485,7 +485,7 @@
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 @@
dbg("cm %#x", cm);
fail:
mutex_unlock(&instance->cm_serialize);
+err:
return ret;
}