diff options
| -rw-r--r-- | block.c | 7 | ||||
| -rw-r--r-- | include/block/block.h | 2 |
2 files changed, 5 insertions, 4 deletions
@@ -1278,7 +1278,7 @@ done: return ret; } -void bdrv_append_temp_snapshot(BlockDriverState *bs, int flags, Error **errp) +int bdrv_append_temp_snapshot(BlockDriverState *bs, int flags, Error **errp) { /* TODO: extra byte is a hack to ensure MAX_PATH space on Windows. */ char *tmp_filename = g_malloc0(PATH_MAX + 1); @@ -1296,6 +1296,7 @@ void bdrv_append_temp_snapshot(BlockDriverState *bs, int flags, Error **errp) /* Get the required size from the image */ total_size = bdrv_getlength(bs); if (total_size < 0) { + ret = total_size; error_setg_errno(errp, -total_size, "Could not get image size"); goto out; } @@ -1342,6 +1343,7 @@ void bdrv_append_temp_snapshot(BlockDriverState *bs, int flags, Error **errp) out: g_free(tmp_filename); + return ret; } /* @@ -1491,9 +1493,8 @@ int bdrv_open(BlockDriverState **pbs, const char *filename, /* For snapshot=on, create a temporary qcow2 overlay. bs points to the * temporary snapshot afterwards. */ if (snapshot_flags) { - bdrv_append_temp_snapshot(bs, snapshot_flags, &local_err); + ret = bdrv_append_temp_snapshot(bs, snapshot_flags, &local_err); if (local_err) { - error_propagate(errp, local_err); goto close_and_fail; } } diff --git a/include/block/block.h b/include/block/block.h index b53833d1d6..7e92f549fb 100644 --- a/include/block/block.h +++ b/include/block/block.h @@ -214,7 +214,7 @@ int bdrv_open_image(BlockDriverState **pbs, const char *filename, bool allow_none, Error **errp); void bdrv_set_backing_hd(BlockDriverState *bs, BlockDriverState *backing_hd); int bdrv_open_backing_file(BlockDriverState *bs, QDict *options, Error **errp); -void bdrv_append_temp_snapshot(BlockDriverState *bs, int flags, Error **errp); +int bdrv_append_temp_snapshot(BlockDriverState *bs, int flags, Error **errp); int bdrv_open(BlockDriverState **pbs, const char *filename, const char *reference, QDict *options, int flags, BlockDriver *drv, Error **errp); |