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@xxxxxxxxx> --- drivers/gpu/host1x/cdma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/host1x/cdma.c b/drivers/gpu/host1x/cdma.c index 93df28228721..0724122afeac 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; } -- 2.17.0 _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
