diff options
| -rw-r--r-- | block/block-backend.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/block/block-backend.c b/block/block-backend.c index bdcbac674a..d0692b18e9 100644 --- a/block/block-backend.c +++ b/block/block-backend.c @@ -257,6 +257,7 @@ int blk_attach_dev(BlockBackend *blk, void *dev) if (blk->dev) { return -EBUSY; } + blk_ref(blk); blk->dev = dev; bdrv_iostatus_reset(blk->bs); @@ -290,6 +291,7 @@ void blk_detach_dev(BlockBackend *blk, void *dev) blk->dev_opaque = NULL; bdrv_set_guest_block_size(blk->bs, 512); qemu_coroutine_adjust_pool_size(-COROUTINE_POOL_RESERVATION); + blk_unref(blk); } /* |