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| H A D | hbitmap.c | diff fed33bd175f663cc8c13f8a490a4f35a19756cfe Fri Oct 11 04:07:07 CDT 2019 Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> hbitmap: handle set/reset with zero length
Passing zero length to these functions leads to unpredicted results.
Zero-length set/reset may occur in active-mirror, on zero-length write
(which is unlikely, but not guaranteed to never happen).
Let's just do nothing on zero-length request.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-id: 20191011090711.19940-2-vsementsov@virtuozzo.com
Reviewed-by: Max Reitz <mreitz@redhat.com>
Cc: qemu-stable@nongnu.org
Signed-off-by: Max Reitz <mreitz@redhat.com>
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