diff options
Diffstat (limited to 'block/cloop.c')
| -rw-r--r-- | block/cloop.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/block/cloop.c b/block/cloop.c index 773d7918be..443af1444e 100644 --- a/block/cloop.c +++ b/block/cloop.c @@ -67,6 +67,8 @@ static int cloop_open(BlockDriverState *bs, QDict *options, int flags, uint32_t offsets_size, max_compressed_block_size = 1, i; int ret; + GLOBAL_STATE_CODE(); + bdrv_graph_rdlock_main_loop(); ret = bdrv_apply_auto_read_only(bs, NULL, errp); bdrv_graph_rdunlock_main_loop(); @@ -79,6 +81,8 @@ static int cloop_open(BlockDriverState *bs, QDict *options, int flags, return ret; } + GRAPH_RDLOCK_GUARD_MAINLOOP(); + /* read header */ ret = bdrv_pread(bs->file, 128, 4, &s->block_size, 0); if (ret < 0) { |