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Diffstat (limited to 'blockdev.c')
-rw-r--r--blockdev.c21
1 files changed, 11 insertions, 10 deletions
diff --git a/blockdev.c b/blockdev.c
index 99828ad2bd..46e4bbd8d9 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -1157,16 +1157,6 @@ void qmp_block_commit(const char *device,
error_set(errp, QERR_DEVICE_NOT_FOUND, device);
return;
}
- if (base && has_base) {
- base_bs = bdrv_find_backing_image(bs, base);
- } else {
- base_bs = bdrv_find_base(bs);
- }
-
- if (base_bs == NULL) {
- error_set(errp, QERR_BASE_NOT_FOUND, base ? base : "NULL");
- return;
- }
/* default top_bs is the active layer */
top_bs = bs;
@@ -1182,6 +1172,17 @@ void qmp_block_commit(const char *device,
return;
}
+ if (has_base && base) {
+ base_bs = bdrv_find_backing_image(top_bs, base);
+ } else {
+ base_bs = bdrv_find_base(top_bs);
+ }
+
+ if (base_bs == NULL) {
+ error_set(errp, QERR_BASE_NOT_FOUND, base ? base : "NULL");
+ return;
+ }
+
commit_start(bs, base_bs, top_bs, speed, on_error, block_job_cb, bs,
&local_err);
if (local_err != NULL) {