~hc/RK356X_SDK_RELEASE.git

..	..	@@ -551,6 +551,11 @@
551	551
552	552	/* The bad descriptor currently is in the head of vc list */
553	553	vd = vchan_next_desc(&chan->vc);
	554	+ if (!vd) {
	555	+ dev_err(chan2dev(chan), "BUG: %s, IRQ with no descriptors\n",
	556	+ axi_chan_name(chan));
	557	+ goto out;
	558	+ }
554	559	/* Remove the completed descriptor from issued list */
555	560	list_del(&vd->node);
556	561
..	..	@@ -565,6 +570,7 @@
565	570	/* Try to restart the controller */
566	571	axi_chan_start_first_queued(chan);
567	572
	573	+out:
568	574	spin_unlock_irqrestore(&chan->vc.lock, flags);
569	575	}
570	576