diff options
Diffstat (limited to 'block/vmdk.c')
| -rw-r--r-- | block/vmdk.c | 54 |
1 files changed, 34 insertions, 20 deletions
diff --git a/block/vmdk.c b/block/vmdk.c index fd78fd0ccf..a7f82e665e 100644 --- a/block/vmdk.c +++ b/block/vmdk.c @@ -1076,8 +1076,7 @@ static const char *next_line(const char *s) } static int vmdk_parse_extents(const char *desc, BlockDriverState *bs, - const char *desc_file_path, QDict *options, - Error **errp) + QDict *options, Error **errp) { int ret; int matches; @@ -1087,6 +1086,7 @@ static int vmdk_parse_extents(const char *desc, BlockDriverState *bs, const char *p, *np; int64_t sectors = 0; int64_t flat_offset; + char *desc_file_dir = NULL; char *extent_path; BdrvChild *extent_file; BDRVVmdkState *s = bs->opaque; @@ -1130,16 +1130,23 @@ static int vmdk_parse_extents(const char *desc, BlockDriverState *bs, continue; } - if (!path_is_absolute(fname) && !path_has_protocol(fname) && - !desc_file_path[0]) - { - bdrv_refresh_filename(bs->file->bs); - error_setg(errp, "Cannot use relative extent paths with VMDK " - "descriptor file '%s'", bs->file->bs->filename); - return -EINVAL; - } + if (path_is_absolute(fname)) { + extent_path = g_strdup(fname); + } else { + if (!desc_file_dir) { + desc_file_dir = bdrv_dirname(bs->file->bs, errp); + if (!desc_file_dir) { + bdrv_refresh_filename(bs->file->bs); + error_prepend(errp, "Cannot use relative paths with VMDK " + "descriptor file '%s': ", + bs->file->bs->filename); + ret = -EINVAL; + goto out; + } + } - extent_path = path_combine(desc_file_path, fname); + extent_path = g_strconcat(desc_file_dir, fname, NULL); + } ret = snprintf(extent_opt_prefix, 32, "extents.%d", s->num_extents); assert(ret < 32); @@ -1149,7 +1156,8 @@ static int vmdk_parse_extents(const char *desc, BlockDriverState *bs, g_free(extent_path); if (local_err) { error_propagate(errp, local_err); - return -EINVAL; + ret = -EINVAL; + goto out; } /* save to extents array */ @@ -1160,7 +1168,7 @@ static int vmdk_parse_extents(const char *desc, BlockDriverState *bs, 0, 0, 0, 0, 0, &extent, errp); if (ret < 0) { bdrv_unref_child(bs, extent_file); - return ret; + goto out; } extent->flat_start_offset = flat_offset << 9; } else if (!strcmp(type, "SPARSE") || !strcmp(type, "VMFSSPARSE")) { @@ -1175,24 +1183,27 @@ static int vmdk_parse_extents(const char *desc, BlockDriverState *bs, g_free(buf); if (ret) { bdrv_unref_child(bs, extent_file); - return ret; + goto out; } extent = &s->extents[s->num_extents - 1]; } else if (!strcmp(type, "SESPARSE")) { ret = vmdk_open_se_sparse(bs, extent_file, bs->open_flags, errp); if (ret) { bdrv_unref_child(bs, extent_file); - return ret; + goto out; } extent = &s->extents[s->num_extents - 1]; } else { error_setg(errp, "Unsupported extent type '%s'", type); bdrv_unref_child(bs, extent_file); - return -ENOTSUP; + ret = -ENOTSUP; + goto out; } extent->type = g_strdup(type); } - return 0; + + ret = 0; + goto out; invalid: np = next_line(p); @@ -1201,7 +1212,11 @@ invalid: np--; } error_setg(errp, "Invalid extent line: %.*s", (int)(np - p), p); - return -EINVAL; + ret = -EINVAL; + +out: + g_free(desc_file_dir); + return ret; } static int vmdk_open_desc_file(BlockDriverState *bs, int flags, char *buf, @@ -1228,8 +1243,7 @@ static int vmdk_open_desc_file(BlockDriverState *bs, int flags, char *buf, } s->create_type = g_strdup(ct); s->desc_offset = 0; - ret = vmdk_parse_extents(buf, bs, bs->file->bs->exact_filename, options, - errp); + ret = vmdk_parse_extents(buf, bs, options, errp); exit: return ret; } |