ehci: Fix NULL ptr deref when unplugging an USB dev with an iso stream active

[qemu.git] / thunk.h

diff --git a/thunk.h b/thunk.h
index 109c541f0f3bd3bc52526456865950294df08096..87025c3b04dd91e78008830281fbbced24e133f6 100644 (file)
--- a/thunk.h
+++ b/thunk.h
@@ -37,6 +37,7 @@ typedef enum argtype {
     TYPE_PTR,
     TYPE_ARRAY,
     TYPE_STRUCT,
+    TYPE_OLDDEVT,
 } argtype;
 
 #define MK_PTR(type) TYPE_PTR, type
@@ -99,11 +100,36 @@ static inline int thunk_type_size(const argtype *type_ptr, int is_host)
     case TYPE_PTRVOID:
     case TYPE_PTR:
         if (is_host) {
-            return HOST_LONG_SIZE;
+            return sizeof(void *);
         } else {
             return TARGET_ABI_BITS / 8;
         }
         break;
+    case TYPE_OLDDEVT:
+        if (is_host) {
+#if defined(HOST_X86_64)
+            return 8;
+#elif defined(HOST_ALPHA) || defined(HOST_IA64) || defined(HOST_MIPS) || \
+      defined(HOST_PARISC) || defined(HOST_SPARC64)
+            return 4;
+#elif defined(HOST_PPC)
+            return sizeof(void *);
+#else
+            return 2;
+#endif
+        } else {
+#if defined(TARGET_X86_64)
+            return 8;
+#elif defined(TARGET_ALPHA) || defined(TARGET_IA64) || defined(TARGET_MIPS) || \
+      defined(TARGET_PARISC) || defined(TARGET_SPARC64)
+            return 4;
+#elif defined(TARGET_PPC)
+            return TARGET_ABI_BITS / 8;
+#else
+            return 2;
+#endif
+        }
+        break;
     case TYPE_ARRAY:
         size = type_ptr[1];
         return size * thunk_type_size_array(type_ptr + 2, is_host);
@@ -136,11 +162,13 @@ static inline int thunk_type_align(const argtype *type_ptr, int is_host)
     case TYPE_PTRVOID:
     case TYPE_PTR:
         if (is_host) {
-            return HOST_LONG_SIZE;
+            return sizeof(void *);
         } else {
             return TARGET_ABI_BITS / 8;
         }
         break;
+    case TYPE_OLDDEVT:
+        return thunk_type_size(type_ptr, is_host);
     case TYPE_ARRAY:
         return thunk_type_align_array(type_ptr + 2, is_host);
     case TYPE_STRUCT: