Changeset 17fc40c in mainline for uspace/lib/usbhost/src/device_keeper.c

Timestamp:

2011-05-18T16:25:53Z (14 years ago)

Author:

Vojtech Horky <vojtechhorky@…>

Branches:

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

Children:

030937e, 98d7550

Parents:

f58154c5

Message:

Prohibit getting device handle on default address

File:

• uspace/lib/usbhost/src/device_keeper.c (modified) (2 diffs)

uspace/lib/usbhost/src/device_keeper.c

@@ -158 +158 @@
 }
 
-/** Find devman handled assigned to USB address.
+/** Find devman handle assigned to USB address.
+ * Intentionally refuse to find handle of default address.
  *
  * @param[in] instance Device keeper structure to use.
@@ -170 +171 @@
         assert(instance);
         fibril_mutex_lock(&instance->guard);
-        if ((address < 0) || (address >= USB_ADDRESS_COUNT)) {
+        if ((address <= 0) || (address >= USB_ADDRESS_COUNT)) {
                 fibril_mutex_unlock(&instance->guard);
                 return false;