dmaengine: apple-sio: Fix chan freeing in error path

hoshinolina · jannau · commit 5f3720a180b5 · 2024-09-16T13:44:32.000+02:00
Signed-off-by: Asahi Lina &lt;lina@asahilina.net&gt;
diff --git a/drivers/dma/apple-sio.c b/drivers/dma/apple-sio.c
@@ -277,6 +277,7 @@ static struct dma_async_tx_descriptor *sio_prep_dma_cyclic(
 
 		siotx->siodesc[i] = d = sio_alloc_desc(siochan->host);
 		if (!d) {
+			siotx->vd.tx.chan = &siochan->vc.chan;
 			sio_tx_free(&siotx->vd);
 			return NULL;
 		}

Original file line number	Diff line number	Diff line change
`@@ -277,6 +277,7 @@ static struct dma_async_tx_descriptor *sio_prep_dma_cyclic(`
`277`	`277`
`278`	`278`	`siotx->siodesc[i] = d = sio_alloc_desc(siochan->host);`
`279`	`279`	`if (!d) {`
	`280`	`+ siotx->vd.tx.chan = &siochan->vc.chan;`
`280`	`281`	`sio_tx_free(&siotx->vd);`
`281`	`282`	`return NULL;`
`282`	`283`	`}`