From 27db6a0073f162cdb15975c9d29d159d772b1ec0 Mon Sep 17 00:00:00 2001 From: Dmitry Osipenko Date: Mon, 23 Apr 2018 12:54:56 +0300 Subject: 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 Reviewed-by: Mikko Perttunen Signed-off-by: Thierry Reding --- drivers/gpu/host1x/cdma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/gpu/host1x') 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; } -- cgit v1.2.3