block/block-copy: fix -Werror=maybe-uninitialized false-positive

../block/block-copy.c:591:12: error: ‘ret’ may be used uninitialized [-Werror=maybe-uninitialized]

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>

diff --git a/block/block-copy.c b/block/block-copy.c
index 93eb1b266419489be5ee88403d365d3c580cfa31..eddb0b81e00a35ea7b499212d431e202a2b7346b 100644 (file)
--- a/block/block-copy.c
+++ b/block/block-copy.c
@@ -584,7 +584,7 @@ static coroutine_fn int block_copy_task_entry(AioTask *task)
     BlockCopyState *s = t->s;
     bool error_is_read = false;
     BlockCopyMethod method = t->method;
-    int ret;
+    int ret = -1;
 
     WITH_GRAPH_RDLOCK_GUARD() {
         ret = block_copy_do_copy(s, t->req.offset, t->req.bytes, &method,