[Qemu-devel] [PATCH 2/8] vmdk: fix return values of vmdk_parent_open

[Paolo Bonzini <pbonzini@redhat.com>]

While vmdk_open_desc_file (touched by the patch) correctly changed -1
to -EINVAL, vmdk_open did not.  Fix it directly in vmdk_parent_open.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 block/vmdk.c |   11 ++++++-----
 1 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/block/vmdk.c b/block/vmdk.c
index 5d16ec4..21566eb 100644
--- a/block/vmdk.c
+++ b/block/vmdk.c
@@ -286,7 +286,7 @@ static int vmdk_parent_open(BlockDriverState *bs)
 
     desc[DESC_SIZE] = '\0';
     if (bdrv_pread(bs->file, s->desc_offset, desc, DESC_SIZE) != DESC_SIZE) {
-        return -1;
+        return -EINVAL;
     }
 
     p_name = strstr(desc, "parentFileNameHint");
@@ -296,10 +296,10 @@ static int vmdk_parent_open(BlockDriverState *bs)
         p_name += sizeof("parentFileNameHint") + 1;
         end_name = strchr(p_name, '\"');
         if (end_name == NULL) {
-            return -1;
+            return -EINVAL;
         }
         if ((end_name - p_name) > sizeof(bs->backing_file) - 1) {
-            return -1;
+            return -EINVAL;
         }
 
         pstrcpy(bs->backing_file, end_name - p_name + 1, p_name);
@@ -629,9 +629,10 @@ static int vmdk_open_desc_file(BlockDriverState *bs, int flags,
     }
 
     /* try to open parent images, if exist */
-    if (vmdk_parent_open(bs)) {
+    ret = vmdk_parent_open(bs);
+    if (ret) {
         vmdk_free_extents(bs);
-        return -EINVAL;
+        return ret;
     }
     s->parent_cid = vmdk_read_cid(bs, 1);
     return 0;
-- 
1.7.6