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authorPaolo Bonzini <pbonzini@redhat.com>2011-10-20 13:16:19 +0200
committerKevin Wolf <kwolf@redhat.com>2011-10-21 17:34:13 +0200
commit588b65a37abf7bbe47c3a7243a871d83fa1aa66b (patch)
tree1c81bde3c7e7c1ceee58db8d22164825e9e0fdaf /block
parent34d4260e1846d69d7241f690534e3dd4b3e6fd5b (diff)
vmdk: fix return values of vmdk_parent_open
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> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'block')
-rw-r--r--block/vmdk.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/block/vmdk.c b/block/vmdk.c
index 5d16ec49bc..ea00938755 100644
--- a/block/vmdk.c
+++ b/block/vmdk.c
@@ -283,10 +283,12 @@ static int vmdk_parent_open(BlockDriverState *bs)
char *p_name;
char desc[DESC_SIZE + 1];
BDRVVmdkState *s = bs->opaque;
+ int ret;
desc[DESC_SIZE] = '\0';
- if (bdrv_pread(bs->file, s->desc_offset, desc, DESC_SIZE) != DESC_SIZE) {
- return -1;
+ ret = bdrv_pread(bs->file, s->desc_offset, desc, DESC_SIZE);
+ if (ret < 0) {
+ return ret;
}
p_name = strstr(desc, "parentFileNameHint");
@@ -296,10 +298,10 @@ 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 +631,10 @@ 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;