Changeset 4594baa in mainline

Timestamp:

2017-10-22T16:38:00Z (7 years ago)

Author:

Petr Manek <petr.manek@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

ee794529

Parents:

a4e26882

Message:

Prevented possible deadlock during endpoint release.

File:

• uspace/lib/usbhost/src/bus.c (modified) (1 diff)

uspace/lib/usbhost/src/bus.c

@@ -182 +182 @@
 int bus_release_endpoint(bus_t *bus, endpoint_t *ep)
 {
-        int err;
-
         assert(bus);
         assert(ep);
 
         fibril_mutex_lock(&bus->guard);
-        if ((err = bus->ops.release_endpoint(bus, ep)))
-                return err;
-        fibril_mutex_unlock(&bus->guard);
+        const int r = bus->ops.release_endpoint(bus, ep);
+        fibril_mutex_unlock(&bus->guard);
+
+        if (r)
+                return r;
 
         /* Bus reference */