X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Fdrivers%2Fgpu%2Fdrm%2Fnouveau%2Fnvkm%2Fengine%2Ffifo%2Fdmanv04.c;fp=kernel%2Fdrivers%2Fgpu%2Fdrm%2Fnouveau%2Fnvkm%2Fengine%2Ffifo%2Fdmanv04.c;h=b7f4b826febedfc1f2fb4b7dbe6309c5f01007c4;hb=52f993b8e89487ec9ee15a7fb4979e0f09a45b27;hp=bfcc6408a77203a88de81b7d1938f558de1039ab;hpb=c189ccac5702322ed843fe17057035b7222a59b6;p=kvmfornfv.git

diff --git a/kernel/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv04.c b/kernel/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv04.c
index bfcc6408a..b7f4b826f 100644
--- a/kernel/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv04.c
+++ b/kernel/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv04.c
@@ -36,7 +36,10 @@ nv04_fifo_dma_object_dtor(struct nvkm_fifo_chan *base, int cookie)
 {
 	struct nv04_fifo_chan *chan = nv04_fifo_chan(base);
 	struct nvkm_instmem *imem = chan->fifo->base.engine.subdev.device->imem;
+
+	mutex_lock(&chan->fifo->base.engine.subdev.mutex);
 	nvkm_ramht_remove(imem->ramht, cookie);
+	mutex_unlock(&chan->fifo->base.engine.subdev.mutex);
 }
 
 static int