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| author |   Dmitry Osipenko <digetx@gmail.com> | 2018-04-23 12:54:56 +0300 |
|---|---|---|
| committer |   Thierry Reding <treding@nvidia.com> | 2018-05-17 17:44:48 +0200 |
| commit | 27db6a0073f162cdb15975c9d29d159d772b1ec0 (patch) | |
| tree | 7ebe1facb208007c3d34b703a2a1db1349c0bcd7 /drivers/gpu/host1x | |
| parent | drm/tegra: dc: Rename supports_blending to has_legacy_blending (diff) | |
| download | linux-dev-27db6a0073f162cdb15975c9d29d159d772b1ec0.tar.xz linux-dev-27db6a0073f162cdb15975c9d29d159d772b1ec0.zip | |
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>
Diffstat (limited to 'drivers/gpu/host1x')
| -rw-r--r-- | drivers/gpu/host1x/cdma.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/host1x/cdma.c b/drivers/gpu/host1x/cdma.c index 28541b280739..cf6caa90bf89 100644 --- a/drivers/gpu/host1x/cdma.c +++ b/drivers/gpu/host1x/cdma.c @@ -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; } |