usb: Request exact size in bulk transfers

xlz · xlz · commit 3085e67f5180 · 2015-12-04T20:22:19.000Z
To avoid a lot of

    WARN Event TRB for slot 1 ep 2 with no TDs queued?

in dmesg.
diff --git a/src/command_transaction.cpp b/src/command_transaction.cpp
@@ -49,7 +49,7 @@ CommandTransaction::Result::~Result()
 
 void CommandTransaction::Result::allocate(size_t size)
 {
-  if (capacity < size)
+  if (capacity != size)
   {
     deallocate();
     data = new unsigned char[size];

Original file line number	Diff line number	Diff line change
`@@ -49,7 +49,7 @@ CommandTransaction::Result::~Result()`
`49`	`49`
`50`	`50`	`void CommandTransaction::Result::allocate(size_t size)`
`51`	`51`	`{`
`52`		`- if (capacity < size)`
	`52`	`+ if (capacity != size)`
`53`	`53`	`{`
`54`	`54`	`deallocate();`
`55`	`55`	`data = new unsigned char[size];`