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gpu: host1x: Fix dma_free_wc() argument in the error path 

If IOVA allocation or IOMMU mapping fails, dma_free_wc() is invoked with
size=0 because of a typo, that triggers "kernel BUG at mm/vmalloc.c:124!".

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Reviewed-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
hifive-unleashed-5.1
Dmitry Osipenko 2018-04-23 12:54:56 +03:00 committed by Thierry Reding
parent a43d0a00ea
commit 27db6a0073
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/host1x/cdma.c
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@ -127,7 +127,7 @@ static int host1x_pushbuffer_init(struct push_buffer *pb)
iommu_free_iova:
__free_iova(&host1x->iova, alloc);
iommu_free_mem:
dma_free_wc(host1x->dev, pb->alloc_size, pb->mapped, pb->phys);
dma_free_wc(host1x->dev, size, pb->mapped, pb->phys);
return err;
}