The commit mentioned below replaced return statements inside a switch so
that other code could be called after the switch. However, it didn't add
any break statements, causing the cases to run together. Fix this.
Reported-by: Coverity (CID 132282, 132283)
Fixes: 7861204c9af7 ("itest: make memory access work under sandbox")
Signed-off-by: Stephen Warren <swarren@nvidia.com>
                        return 0;
                }
                switch (w) {
-               case 1: l = (long)(*(unsigned char *)buf);
-               case 2: l = (long)(*(unsigned short *)buf);
-               case 4: l = (long)(*(unsigned long *)buf);
+               case 1:
+                       l = (long)(*(unsigned char *)buf);
+                       break;
+               case 2:
+                       l = (long)(*(unsigned short *)buf);
+                       break;
+               case 4:
+                       l = (long)(*(unsigned long *)buf);
+                       break;
                }
                unmap_physmem(buf, w);
                return l;