----- Original Message -----
> From: "Heinrich Schuchardt" <xypron.glpk@xxxxxx>
> To: "David Airlie" <airlied@xxxxxxxx>
> Cc: "Ben Skeggs" <bskeggs@xxxxxxxxxx>, dri-devel@xxxxxxxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, "Heinrich
> Schuchardt" <xypron.glpk@xxxxxx>
> Sent: Thursday, 19 June, 2014 5:57:47 AM
> Subject: [PATCH] drm/nouveau: avoid memory leak
>
> If ttm_dma_tt_init fails memory is leaked.
No, it's not. TTM calls the destroy function itself on failure.
Thanks,
Ben.
>
> Signed-off-by: Heinrich Schuchardt <xypron.glpk@xxxxxx>
> ---
> drivers/gpu/drm/nouveau/nouveau_sgdma.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/nouveau/nouveau_sgdma.c
> b/drivers/gpu/drm/nouveau/nouveau_sgdma.c
> index a4d22e5..23d880b 100644
> --- a/drivers/gpu/drm/nouveau/nouveau_sgdma.c
> +++ b/drivers/gpu/drm/nouveau/nouveau_sgdma.c
> @@ -109,7 +109,9 @@ nouveau_sgdma_create_ttm(struct ttm_bo_device *bdev,
> else
> nvbe->ttm.ttm.func = &nv50_sgdma_backend;
>
> - if (ttm_dma_tt_init(&nvbe->ttm, bdev, size, page_flags, dummy_read_page))
> + if (ttm_dma_tt_init(&nvbe->ttm, bdev, size, page_flags, dummy_read_page)) {
> + kfree(nvbe);
> return NULL;
> + }
> return &nvbe->ttm.ttm;
> }
> --
> 2.0.0
>
>
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