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-rw-r--r--hw/scsi/scsi-bus.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/hw/scsi/scsi-bus.c b/hw/scsi/scsi-bus.c
index b901e701f0..edb5c3492a 100644
--- a/hw/scsi/scsi-bus.c
+++ b/hw/scsi/scsi-bus.c
@@ -170,6 +170,8 @@ static void scsi_dma_restart_bh(void *opaque)
         scsi_req_unref(req);
     }
     aio_context_release(blk_get_aio_context(s->conf.blk));
+    /* Drop the reference that was acquired in scsi_dma_restart_cb */
+    object_unref(OBJECT(s));
 }
 
 void scsi_req_retry(SCSIRequest *req)
@@ -188,6 +190,8 @@ static void scsi_dma_restart_cb(void *opaque, int running, RunState state)
     }
     if (!s->bh) {
         AioContext *ctx = blk_get_aio_context(s->conf.blk);
+        /* The reference is dropped in scsi_dma_restart_bh.*/
+        object_ref(OBJECT(s));
         s->bh = aio_bh_new(ctx, scsi_dma_restart_bh, s);
         qemu_bh_schedule(s->bh);
     }