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path: root/drivers/gpu/drm/nouveau/nvkm/engine/fifo/uchan.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/fifo/uchan.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/engine/fifo/uchan.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/uchan.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/uchan.c
index 9e56bcc166ed..52420a1edca5 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/uchan.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/uchan.c
@@ -258,7 +258,7 @@ nvkm_uchan_map(struct nvkm_object *object, void *argv, u32 argc,
struct nvkm_chan *chan = nvkm_uchan(object)->chan;
struct nvkm_device *device = chan->cgrp->runl->fifo->engine.subdev.device;
- if (chan->func->userd->bar < 0)
+ if (!chan->func->userd->bar)
return -ENOSYS;
*type = NVKM_OBJECT_MAP_IO;