Allocate the IOReq if not done yet at Open() time.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@39256 a95241bf-73f2-0310-859d-f6bbb57e9c96
2010-11-01 17:57:36 +00:00
parent 499f2a5c48
commit a55b596e1c
1 changed files with 6 additions and 1 deletions
@@ -79,7 +79,12 @@ ExecDevice::AllocRequest(size_t requestSize)
 status_t
 ExecDevice::Open(const char *name, unsigned long unit, unsigned long flags)
 {
-	status_t err;
+	status_t err = B_OK;
+
+	if (fIORequest == NULL)
+		err = AllocRequest(sizeof(struct IOStdReq));
+	if (err < B_OK)
+		return err;
 	err = exec_error(OpenDevice((uint8 *)name, unit, fIORequest, flags));
 	if (err < B_OK)
 		return err;