migration/postcopy: PostcopyState is already set in loadvm_postcopy_handle_advise()

[mirror_qemu.git] / block / cloop.c

diff --git a/block/cloop.c b/block/cloop.c
index 877c9b0d1b2b3c913c5399399d2ccf34d3b5d2c6..384c9735bbe3c4e6657b1663c9f7285140a5a9eb 100644 (file)
--- a/block/cloop.c
+++ b/block/cloop.c
@@ -23,7 +23,7 @@
  */
 #include "qemu/osdep.h"
 #include "qapi/error.h"
-#include "qemu-common.h"
+#include "qemu/error-report.h"
 #include "block/block_int.h"
 #include "qemu/module.h"
 #include "qemu/bswap.h"
@@ -66,14 +66,17 @@ static int cloop_open(BlockDriverState *bs, QDict *options, int flags,
     uint32_t offsets_size, max_compressed_block_size = 1, i;
     int ret;
 
+    ret = bdrv_apply_auto_read_only(bs, NULL, errp);
+    if (ret < 0) {
+        return ret;
+    }
+
     bs->file = bdrv_open_child(NULL, options, "file", bs, &child_file,
                                false, errp);
     if (!bs->file) {
         return -EINVAL;
     }
 
-    bs->read_only = true;
-
     /* read header */
     ret = bdrv_pread(bs->file, 128, &s->block_size, 4);
     if (ret < 0) {
@@ -290,6 +293,7 @@ static BlockDriver bdrv_cloop = {
     .instance_size  = sizeof(BDRVCloopState),
     .bdrv_probe     = cloop_probe,
     .bdrv_open      = cloop_open,
+    .bdrv_child_perm     = bdrv_format_default_perms,
     .bdrv_refresh_limits = cloop_refresh_limits,
     .bdrv_co_preadv = cloop_co_preadv,
     .bdrv_close     = cloop_close,