diff options
Diffstat (limited to 'blockdev.c')
| -rw-r--r-- | blockdev.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/blockdev.c b/blockdev.c index 2fa01516f9..7e4c548426 100644 --- a/blockdev.c +++ b/blockdev.c @@ -973,6 +973,7 @@ void qmp_block_stream(const char *device, bool has_base, const char *base, Error **errp) { BlockDriverState *bs; + BlockDriverState *base_bs = NULL; int ret; bs = bdrv_find(device); @@ -981,13 +982,15 @@ void qmp_block_stream(const char *device, bool has_base, return; } - /* Base device not supported */ if (base) { - error_set(errp, QERR_NOT_SUPPORTED); - return; + base_bs = bdrv_find_backing_image(bs, base); + if (base_bs == NULL) { + error_set(errp, QERR_BASE_NOT_FOUND, base); + return; + } } - ret = stream_start(bs, NULL, block_stream_cb, bs); + ret = stream_start(bs, base_bs, base, block_stream_cb, bs); if (ret < 0) { switch (ret) { case -EBUSY: |