From: John Snow <jsnow@redhat.com>
Date: Mon, 27 Feb 2017 17:13:14 +0000 (-0500)
Subject: block/mirror: fix broken sparseness detection
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=39c11580f3af8a96a7fba9b8b80a047a0b88b0ec;p=qemu.git

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 3d50857300..1b34b366d0 100644
--- 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 {