On Fri, 2019-07-05 at 19:15 +0200, Lucas Stach wrote:
> The call site expects to get either a valid suballoc or an error
> pointer, so a NULL return will not be treated as an error. Make
> sure to always return a proper error pointer in case something goes
> wrong.
>
> Signed-off-by: Lucas Stach <l.st...@pengutronix.de>
Reviewed-by: Philipp Zabel <p.za...@pengutronix.de>
regards
Philipp
> drivers/gpu/drm/etnaviv/etnaviv_cmdbuf.c | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/etnaviv/etnaviv_cmdbuf.c
> b/drivers/gpu/drm/etnaviv/etnaviv_cmdbuf.c
> index bb4900bc1c4c..7b77992f31c4 100644
> --- a/drivers/gpu/drm/etnaviv/etnaviv_cmdbuf.c
> +++ b/drivers/gpu/drm/etnaviv/etnaviv_cmdbuf.c
> @@ -48,8 +48,10 @@ etnaviv_cmdbuf_suballoc_new(struct etnaviv_gpu * gpu)
>
> suballoc->vaddr = dma_alloc_wc(gpu->dev, SUBALLOC_SIZE,
> &suballoc->paddr, GFP_KERNEL);
> - if (!suballoc->vaddr)
> + if (!suballoc->vaddr) {
> + ret = -ENOMEM;
> goto free_suballoc;
> + }
>
> ret = etnaviv_iommu_get_suballoc_va(gpu, suballoc->paddr,
> &suballoc->vram_node, SUBALLOC_SIZE,
> @@ -64,7 +66,7 @@ etnaviv_cmdbuf_suballoc_new(struct etnaviv_gpu * gpu)
> free_suballoc:
> kfree(suballoc);
>
> - return NULL;
> + return ERR_PTR(ret);
> }
>
> void etnaviv_cmdbuf_suballoc_destroy(struct etnaviv_cmdbuf_suballoc
> *suballoc)
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