Reviewed-by: Lyude Paul <lyude@xxxxxxxxxx>
On Wed, 2020-12-02 at 19:02 -0500, Jeremy Cline wrote:
> nouveau_bo_init() is backed by ttm_bo_init() and ferries its return code
> back to the caller. On failures, ttm_bo_init() invokes the provided
> destructor which should de-initialize and free the memory.
>
> Thus, when nouveau_bo_init() returns an error the gem object has already
> been released and the memory freed by nouveau_bo_del_ttm().
>
> Fixes: 019cbd4a4feb ("drm/nouveau: Initialize GEM object before TTM object")
> Cc: Thierry Reding <treding@xxxxxxxxxx>
> Signed-off-by: Jeremy Cline <jcline@xxxxxxxxxx>
> ---
> drivers/gpu/drm/nouveau/nouveau_gem.c | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.c
> b/drivers/gpu/drm/nouveau/nouveau_gem.c
> index 787d05eefd9c..d30157cc7169 100644
> --- a/drivers/gpu/drm/nouveau/nouveau_gem.c
> +++ b/drivers/gpu/drm/nouveau/nouveau_gem.c
> @@ -211,10 +211,8 @@ nouveau_gem_new(struct nouveau_cli *cli, u64 size, int
> align, uint32_t domain,
> }
>
> ret = nouveau_bo_init(nvbo, size, align, domain, NULL, NULL);
> - if (ret) {
> - nouveau_bo_ref(NULL, &nvbo);
> + if (ret)
> return ret;
> - }
>
> /* we restrict allowed domains on nv50+ to only the types
> * that were requested at creation time. not possibly on
--
Sincerely,
Lyude Paul (she/her)
Software Engineer at Red Hat
Note: I deal with a lot of emails and have a lot of bugs on my plate. If you've
asked me a question, are waiting for a review/merge on a patch, etc. and I
haven't responded in a while, please feel free to send me another email to check
on my status. I don't bite!
_______________________________________________
dri-devel mailing list
dri-devel@xxxxxxxxxxxxxxxxxxxxx
https://lists.freedesktop.org/mailman/listinfo/dri-devel
