Changeset 97e87de in mainline for uspace/drv/uhci-hcd/uhci.c

Timestamp:

2011-02-04T13:30:25Z (13 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

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

Children:

881c47b

Parents:

74d6e90

Message:

Add some more error checking

File:

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

uspace/drv/uhci-hcd/uhci.c

@@ -156 +156 @@
         }
 
+        if (transfer_type == USB_TRANSFER_INTERRUPT
+          && size >= 64) {
+                usb_log_warning("Interrupt transfer too big %zu.\n", size);
+                return ENOTSUP;
+        }
+
+
         if (size >= 1024) {
                 usb_log_warning("Transfer too big.\n");
@@ -211 +218 @@
                                 &instance->transfers[i], it ? "SOMETHING" : "EMPTY");
 
-                if (it)
-                        usb_log_debug("First in queue: %p (%x).\n",
-                                it, it->status);
+                        if (it)
+                                usb_log_debug("First in queue: %p (%x).\n",
+                                        it, it->status);
 
                         while (instance->transfers[i].first &&