Changeset 600733e in mainline

Timestamp:

2011-02-12T11:43:00Z (14 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

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

Children:

2e85b3c, 45c01a1

Parents:

67b6fc5

Message:

Fix: do not report negative size

File:

• uspace/drv/uhci-hcd/batch.c (modified) (2 diffs)

uspace/drv/uhci-hcd/batch.c

@@ -142 +142 @@
             instance, instance->packets);
         /* This is just an ugly trick to support the old API */
-        instance->transfered_size = -instance->setup_size;
+        instance->transfered_size = 0;
         size_t i = 0;
         for (;i < instance->packets; ++i) {
-                if (transfer_descriptor_is_active(&instance->tds[i]))
+                if (transfer_descriptor_is_active(&instance->tds[i])) {
                         return false;
+                }
                 instance->error = transfer_descriptor_status(&instance->tds[i]);
                 if (instance->error != EOK) {
+                        if (i > 0)
+                                instance->transfered_size -= instance->setup_size;
                         return true;
                 }
@@ -154 +157 @@
                     transfer_descriptor_actual_size(&instance->tds[i]);
         }
+        instance->transfered_size -= instance->setup_size;
         return true;
 }