diff options
| -rw-r--r-- | block/vmdk.c | 29 |
1 files changed, 15 insertions, 14 deletions
diff --git a/block/vmdk.c b/block/vmdk.c index f21f02bc52..4e486225b7 100644 --- a/block/vmdk.c +++ b/block/vmdk.c @@ -170,7 +170,7 @@ static int vmdk_is_cid_valid(BlockDriverState *bs) { #ifdef CHECK_CID BDRVVmdkState *s = bs->opaque; - BlockDriverState *p_bs = s->hd->backing_hd; + BlockDriverState *p_bs = bs->backing_hd; uint32_t cur_pcid; if (p_bs) { @@ -338,26 +338,26 @@ static int vmdk_parent_open(BlockDriverState *bs, const char * filename) p_name += sizeof("parentFileNameHint") + 1; if ((end_name = strchr(p_name,'\"')) == NULL) return -1; - if ((end_name - p_name) > sizeof (s->hd->backing_file) - 1) + if ((end_name - p_name) > sizeof (bs->backing_file) - 1) return -1; - pstrcpy(s->hd->backing_file, end_name - p_name + 1, p_name); - if (stat(s->hd->backing_file, &file_buf) != 0) { + pstrcpy(bs->backing_file, end_name - p_name + 1, p_name); + if (stat(bs->backing_file, &file_buf) != 0) { path_combine(parent_img_name, sizeof(parent_img_name), - filename, s->hd->backing_file); + filename, bs->backing_file); } else { pstrcpy(parent_img_name, sizeof(parent_img_name), - s->hd->backing_file); + bs->backing_file); } - s->hd->backing_hd = bdrv_new(""); - if (!s->hd->backing_hd) { + bs->backing_hd = bdrv_new(""); + if (!bs->backing_hd) { failure: bdrv_close(s->hd); return -1; } parent_open = 1; - if (bdrv_open(s->hd->backing_hd, parent_img_name, BDRV_O_RDONLY) < 0) + if (bdrv_open(bs->backing_hd, parent_img_name, BDRV_O_RDONLY) < 0) goto failure; parent_open = 0; } @@ -464,13 +464,14 @@ static int get_whole_cluster(BlockDriverState *bs, uint64_t cluster_offset, // we will be here if it's first write on non-exist grain(cluster). // try to read from parent image, if exist - if (s->hd->backing_hd) { - BDRVVmdkState *ps = s->hd->backing_hd->opaque; + if (bs->backing_hd) { + BDRVVmdkState *ps = bs->backing_hd->opaque; if (!vmdk_is_cid_valid(bs)) return -1; - parent_cluster_offset = get_cluster_offset(s->hd->backing_hd, NULL, offset, allocate); + parent_cluster_offset = get_cluster_offset(bs->backing_hd, NULL, + offset, allocate); if (parent_cluster_offset) { BDRVVmdkState *act_s = activeBDRV.hd->opaque; @@ -621,10 +622,10 @@ static int vmdk_read(BlockDriverState *bs, int64_t sector_num, n = nb_sectors; if (!cluster_offset) { // try to read from parent image, if exist - if (s->hd->backing_hd) { + if (bs->backing_hd) { if (!vmdk_is_cid_valid(bs)) return -1; - ret = bdrv_read(s->hd->backing_hd, sector_num, buf, n); + ret = bdrv_read(bs->backing_hd, sector_num, buf, n); if (ret < 0) return -1; } else { |