Changeset b8a3cda in mainline for uspace/srv/hw/bus/usb/hcd/virtual/conndev.c

Timestamp:

2010-10-22T14:57:03Z (14 years ago)

Author:

Vojtech Horky <vojtechhorky@…>

Branches:

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

Children:

7a7bfeb3

Parents:

954ea70

Message:

VHCD handles new methods

Not completely, though. Will finish later.

File:

• uspace/srv/hw/bus/usb/hcd/virtual/conndev.c (modified) (2 diffs)

uspace/srv/hw/bus/usb/hcd/virtual/conndev.c

@@ -51 +51 @@
                 .endpoint = IPC_GET_ARG2(icall)
         };
+        size_t len = IPC_GET_ARG3(icall);
         
         if (!hub_can_device_signal(dev)) {
@@ -60 +61 @@
             target.address, target.endpoint);
         
-        size_t len;
-        void * buffer;
-        int rc = async_data_write_accept(&buffer, false,
-            1, USB_MAX_PAYLOAD_SIZE,
-            0, &len);
+        int rc;
         
-        if (rc != EOK) {
-                ipc_answer_0(iid, rc);
-                return;
+        void * buffer = NULL;
+        if (len > 0) {
+                rc = async_data_write_accept(&buffer, false,
+                    1, USB_MAX_PAYLOAD_SIZE,
+                    0, &len);
+                
+                if (rc != EOK) {
+                        ipc_answer_0(iid, rc);
+                        return;
+                }
         }
         
-        rc = hc_fillin_transaction_from_device(USB_TRANSFER_INTERRUPT, target, buffer, len);
+        rc = hc_fillin_transaction_from_device(target, buffer, len);
         
         ipc_answer_0(iid, rc);