block/mirror: fix broken sparseness detection

int64_t is in all likelihood the actual scalar type we want.
Yep, really.

Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1219541
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Jeff Cody <jcody@redhat.com>
Signed-off-by: Jeff Cody <jcody@redhat.com>

diff --git a/block/mirror.c b/block/mirror.c
index 3d50857300fd5b9631c5b051af645d67e4d3e28f..1b34b366d03a8babe07f137559a1023b1d737be5 100644 (file)
--- a/block/mirror.c
+++ b/block/mirror.c
@@ -386,7 +386,7 @@ static uint64_t coroutine_fn mirror_iteration(MirrorBlockJob *s)
                             nb_chunks * sectors_per_chunk);
     bitmap_set(s->in_flight_bitmap, sector_num / sectors_per_chunk, nb_chunks);
     while (nb_chunks > 0 && sector_num < end) {
-        int ret;
+        int64_t ret;
         int io_sectors, io_sectors_acct;
         BlockDriverState *file;
         enum MirrorMethod {