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.stach@pengutronix.de
Reviewed-by: Philipp Zabel p.zabel@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)