On Tue, May 12, 2015 at 11:13 AM, Samuel Pitoiset
<samuel.pitoi...@gmail.com> wrote:
> This has been detected by Clang 3.6 which displays a warning message
> because variable 'nv30' is uninitialized when used here. According to
> the description of container_of, 'sample' must be initialized, otherwise
> the result is undefined.
>
> This patch gets rid of container_of() which is not required here like
> for nv50 and nvc0 drivers.
>
> Signed-off-by: Samuel Pitoiset <samuel.pitoi...@gmail.com>
> ---
> src/gallium/drivers/nouveau/nv30/nv30_context.c | 15 ++++++---------
> 1 file changed, 6 insertions(+), 9 deletions(-)
>
> diff --git a/src/gallium/drivers/nouveau/nv30/nv30_context.c
> b/src/gallium/drivers/nouveau/nv30/nv30_context.c
> index 617b088..74ff395 100644
> --- a/src/gallium/drivers/nouveau/nv30/nv30_context.c
> +++ b/src/gallium/drivers/nouveau/nv30/nv30_context.c
> @@ -36,29 +36,26 @@
> static void
> nv30_context_kick_notify(struct nouveau_pushbuf *push)
> {
> - struct nouveau_screen *screen;
> - struct nv30_context *nv30;
> + struct nv30_screen *screen = push->user_priv;
That's not what's stored in user_priv though... the context's bufctx
pointer is. This will make it fail.
>
> - if (!push->user_priv)
> + if (!screen)
> return;
> - nv30 = container_of(push->user_priv, nv30, bufctx);
> - screen = &nv30->screen->base;
>
> - nouveau_fence_next(screen);
> - nouveau_fence_update(screen, TRUE);
> + nouveau_fence_next(&screen->base);
> + nouveau_fence_update(&screen->base, TRUE);
>
> if (push->bufctx) {
> struct nouveau_bufref *bref;
> LIST_FOR_EACH_ENTRY(bref, &push->bufctx->current, thead) {
> struct nv04_resource *res = bref->priv;
> if (res && res->mm) {
> - nouveau_fence_ref(screen->fence.current, &res->fence);
> + nouveau_fence_ref(screen->base.fence.current, &res->fence);
>
> if (bref->flags & NOUVEAU_BO_RD)
> res->status |= NOUVEAU_BUFFER_STATUS_GPU_READING;
>
> if (bref->flags & NOUVEAU_BO_WR) {
> - nouveau_fence_ref(screen->fence.current, &res->fence_wr);
> + nouveau_fence_ref(screen->base.fence.current, &res->fence_wr);
> res->status |= NOUVEAU_BUFFER_STATUS_GPU_WRITING |
> NOUVEAU_BUFFER_STATUS_DIRTY;
> }
> --
> 2.4.0
>
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