nouveau: plug drm fifo ioremap leak (#14941)

diff --git a/shared-core/nouveau_dma.c b/shared-core/nouveau_dma.c
index e519dc4..8b1549c 100644 (file)
--- a/shared-core/nouveau_dma.c
+++ b/shared-core/nouveau_dma.c
@@ -121,6 +121,7 @@ nouveau_dma_channel_takedown(struct drm_device *dev)
        DRM_DEBUG("\n");
 
        if (dchan->chan) {
+               drm_core_ioremapfree(dchan->chan->pushbuf_mem->map, dev);
                nouveau_fifo_free(dchan->chan);
                dchan->chan = NULL;
        }