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 <dig...@gmail.com>
---
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
