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block/replication.c: Avoid cancelling the job twice 

If qemu in colo secondary mode is stopped, it crashes because
s->backup_job is canceled twice: First with job_cancel_sync_all()
in qemu_cleanup() and then in replication_stop().

Fix this by assigning NULL to s->backup_job when the job completes
so replication_stop() and replication_do_checkpoint() won't touch
the job.

Signed-off-by: Lukas Straub <lukasstraub2@web.de>
Message-Id: <20200511090801.7ed5d8f3@luklap>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Lukas Straub 2020-05-11 09:08:01 +02:00 committed by Kevin Wolf
parent 16cea4ee1c
commit e140f4b7b8
1 changed files with 2 additions and 0 deletions
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2
block/replication.c
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@ -398,6 +398,8 @@ static void backup_job_cleanup(BlockDriverState *bs)
BDRVReplicationState *s = bs->opaque;
BlockDriverState *top_bs;
s->backup_job = NULL;
top_bs = bdrv_lookup_bs(s->top_id, s->top_id, NULL);
if (!top_bs) {
return;