From: Ben Skeggs Date: Thu, 23 Jan 2020 03:47:12 +0000 (+1000) Subject: drm/nouveau: reject attempts to submit to dead channels X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=0181f4bfbdcdfdf8474946bf14fd644727fb8363;p=linux.git drm/nouveau: reject attempts to submit to dead channels Signed-off-by: Ben Skeggs --- diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.c b/drivers/gpu/drm/nouveau/nouveau_gem.c index 05ec8edd6a8b7..8f97534e996c9 100644 --- a/drivers/gpu/drm/nouveau/nouveau_gem.c +++ b/drivers/gpu/drm/nouveau/nouveau_gem.c @@ -702,6 +702,8 @@ nouveau_gem_ioctl_pushbuf(struct drm_device *dev, void *data, if (!chan) return nouveau_abi16_put(abi16, -ENOENT); + if (unlikely(atomic_read(&chan->killed))) + return nouveau_abi16_put(abi16, -ENODEV); req->vram_available = drm->gem.vram_available; req->gart_available = drm->gem.gart_available;