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mirror: Fix error path for dirty bitmap creation 

mirror_top_bs must be removed from the graph again when creating the
dirty bitmap fails.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
This commit is contained in:
Kevin Wolf 2017-03-06 16:12:44 +01:00
parent 0bf74767ff
commit 88f9d1b3d2
1 changed files with 1 additions and 4 deletions
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5
block/mirror.c
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@ -1197,10 +1197,7 @@ static void mirror_start_job(const char *job_id, BlockDriverState *bs,
s->dirty_bitmap = bdrv_create_dirty_bitmap(bs, granularity, NULL, errp); s->dirty_bitmap = bdrv_create_dirty_bitmap(bs, granularity, NULL, errp);
if (!s->dirty_bitmap) { if (!s->dirty_bitmap) {
g_free(s->replaces); goto fail;
blk_unref(s->target);
block_job_unref(&s->common);
return;
} }
/* Required permissions are already taken with blk_new() */ /* Required permissions are already taken with blk_new() */