diff options
| author | Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> | 2019-10-11 12:07:07 +0300 |
|---|---|---|
| committer | Max Reitz <mreitz@redhat.com> | 2019-10-28 11:22:30 +0100 |
| commit | fed33bd175f663cc8c13f8a490a4f35a19756cfe (patch) | |
| tree | cf89f36252648025036de3ccefbee91f501b453c /block/qed-l2-cache.c | |
| parent | 767de537b1268d20dca363a74ba8c8931212d243 (diff) | |
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>
Diffstat (limited to 'block/qed-l2-cache.c')
0 files changed, 0 insertions, 0 deletions