From b3cf977d6011f6922cf28935ca86dc77fc6e39e6 Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs@redhat.com>
Date: Thu, 23 Jan 2020 13:47:12 +1000
Subject: drm/nouveau: reject attempts to submit to dead channels
Git-commit: 0181f4bfbdcdfdf8474946bf14fd644727fb8363
Patch-mainline: v5.6-rc1
References: jsc#SLE-12680, jsc#SLE-12880, jsc#SLE-12882, jsc#SLE-12883, jsc#SLE-13496, jsc#SLE-15322
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/nouveau/nouveau_gem.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.c b/drivers/gpu/drm/nouveau/nouveau_gem.c
index 05ec8edd6a8b..8f97534e996c 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;
--
2.28.0