From b4b7ff4b08e691656c9d77c758fc355833128ac0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 20 Jan 2016 14:01:31 -0300 Subject: Linux-libre 4.4-gnu --- drivers/gpu/drm/nouveau/nvkm/subdev/instmem/base.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/instmem/base.c') diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/base.c index 895ba7405..1d7dd3829 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/base.c @@ -97,7 +97,9 @@ static void * nvkm_instobj_dtor(struct nvkm_memory *memory) { struct nvkm_instobj *iobj = nvkm_instobj(memory); + spin_lock(&iobj->imem->lock); list_del(&iobj->head); + spin_unlock(&iobj->imem->lock); nvkm_memory_del(&iobj->parent); return iobj; } @@ -190,7 +192,9 @@ nvkm_instobj_new(struct nvkm_instmem *imem, u32 size, u32 align, bool zero, nvkm_memory_ctor(&nvkm_instobj_func_slow, &iobj->memory); iobj->parent = memory; iobj->imem = imem; + spin_lock(&iobj->imem->lock); list_add_tail(&iobj->head, &imem->list); + spin_unlock(&iobj->imem->lock); memory = &iobj->memory; } @@ -309,5 +313,6 @@ nvkm_instmem_ctor(const struct nvkm_instmem_func *func, { nvkm_subdev_ctor(&nvkm_instmem, device, index, 0, &imem->subdev); imem->func = func; + spin_lock_init(&imem->lock); INIT_LIST_HEAD(&imem->list); } -- cgit v1.2.3-54-g00ecf