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-rw-r--r--drivers/infiniband/hw/erdma/erdma_verbs.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/erdma/erdma_verbs.c b/drivers/infiniband/hw/erdma/erdma_verbs.c
index 51d619edb6c5..e56ba86d460e 100644
--- a/drivers/infiniband/hw/erdma/erdma_verbs.c
+++ b/drivers/infiniband/hw/erdma/erdma_verbs.c
@@ -597,7 +597,8 @@ err_free_mtt:
static void erdma_destroy_mtt_buf_sg(struct erdma_dev *dev,
struct erdma_mtt *mtt)
{
- dma_unmap_sg(&dev->pdev->dev, mtt->sglist, mtt->nsg, DMA_TO_DEVICE);
+ dma_unmap_sg(&dev->pdev->dev, mtt->sglist,
+ DIV_ROUND_UP(mtt->size, PAGE_SIZE), DMA_TO_DEVICE);
vfree(mtt->sglist);
}