--- qemu/bswap.h	2018/04/24 16:50:52	1.1.1.3
+++ qemu/bswap.h	2018/04/24 17:21:02	1.1.1.4
@@ -151,7 +151,7 @@ static inline void cpu_to_le16wu(uint16_
 {
     uint8_t *p1 = (uint8_t *)p;
 
-    p1[0] = v;
+    p1[0] = v & 0xff;
     p1[1] = v >> 8;
 }
 
@@ -159,7 +159,7 @@ static inline void cpu_to_le32wu(uint32_
 {
     uint8_t *p1 = (uint8_t *)p;
 
-    p1[0] = v;
+    p1[0] = v & 0xff;
     p1[1] = v >> 8;
     p1[2] = v >> 16;
     p1[3] = v >> 24;
@@ -188,7 +188,7 @@ static inline void cpu_to_be16wu(uint16_
     uint8_t *p1 = (uint8_t *)p;
 
     p1[0] = v >> 8;
-    p1[1] = v;
+    p1[1] = v & 0xff;
 }
 
 static inline void cpu_to_be32wu(uint32_t *p, uint32_t v)
@@ -198,7 +198,7 @@ static inline void cpu_to_be32wu(uint32_
     p1[0] = v >> 24;
     p1[1] = v >> 16;
     p1[2] = v >> 8;
-    p1[3] = v;
+    p1[3] = v & 0xff;
 }
 
 #endif