diff --git a/drivers/dma/idxd/device.c b/drivers/dma/idxd/device.c
index b4d7bb923a40..6d8ff664fdfb 100644
--- a/drivers/dma/idxd/device.c
+++ b/drivers/dma/idxd/device.c
@@ -1173,8 +1173,19 @@ static void idxd_flush_pending_descs(struct idxd_irq_entry *ie)
 	spin_unlock(&ie->list_lock);
 
 	list_for_each_entry_safe(desc, itr, &flist, list) {
+		struct dma_async_tx_descriptor *tx;
+
 		list_del(&desc->list);
 		ctype = desc->completion->status ? IDXD_COMPLETE_NORMAL : IDXD_COMPLETE_ABORT;
+		/*
+		 * wq is being disabled. Any remaining descriptors are
+		 * likely to be stuck and can be dropped. callback could
+		 * point to code that is no longer accessible, for example
+		 * if dmatest module has been unloaded.
+		 */
+		tx = &desc->txd;
+		tx->callback = NULL;
+		tx->callback_result = NULL;
 		idxd_dma_complete_txd(desc, ctype, true);
 	}
 }