[Qemu-devel] [PATCH EMBARGOED 2/7] vmdk: use unsigned values for on disk header fields

[Fam Zheng]

The size and offset fields are all non-negative values, use uint64_t for
them to avoid getting negative in memory value by int overflow.

Signed-off-by: Fam Zheng <address@hidden>
---
 block/vmdk.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/block/vmdk.c b/block/vmdk.c
index 8ff43b9..3c6fa47 100644
--- a/block/vmdk.c
+++ b/block/vmdk.c
@@ -67,14 +67,14 @@ typedef struct {
 typedef struct {
     uint32_t version;
     uint32_t flags;
-    int64_t capacity;
-    int64_t granularity;
-    int64_t desc_offset;
-    int64_t desc_size;
-    int32_t num_gtes_per_gte;
-    int64_t rgd_offset;
-    int64_t gd_offset;
-    int64_t grain_offset;
+    uint64_t capacity;
+    uint64_t granularity;
+    uint64_t desc_offset;
+    uint64_t desc_size;
+    uint32_t num_gtes_per_gte;
+    uint64_t rgd_offset;
+    uint64_t gd_offset;
+    uint64_t grain_offset;
     char filler[1];
     char check_bytes[4];
     uint16_t compressAlgorithm;
-- 
1.8.3.4