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-rw-r--r--block/io.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/block/io.c b/block/io.c
index dd93364258..cf177a9d2d 100644
--- a/block/io.c
+++ b/block/io.c
@@ -3392,6 +3392,11 @@ int coroutine_fn bdrv_co_truncate(BdrvChild *child, int64_t offset, bool exact,
return old_size;
}
+ if (bdrv_is_read_only(bs)) {
+ error_setg(errp, "Image is read-only");
+ return -EACCES;
+ }
+
if (offset > old_size) {
new_bytes = offset - old_size;
} else {
@@ -3408,11 +3413,6 @@ int coroutine_fn bdrv_co_truncate(BdrvChild *child, int64_t offset, bool exact,
if (new_bytes) {
bdrv_make_request_serialising(&req, 1);
}
- if (bdrv_is_read_only(bs)) {
- error_setg(errp, "Image is read-only");
- ret = -EACCES;
- goto out;
- }
ret = bdrv_co_write_req_prepare(child, offset - new_bytes, new_bytes, &req,
0);
if (ret < 0) {