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-rw-r--r--lib/swiotlb.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/swiotlb.c b/lib/swiotlb.c
index c419ecf334c..752fd95323f 100644
--- a/lib/swiotlb.c
+++ b/lib/swiotlb.c
@@ -696,7 +696,7 @@ swiotlb_map_sg(struct device *hwdev, struct scatterlist *sgl, int nelems,
/* Don't panic here, we expect map_sg users
to do proper error handling. */
swiotlb_full(hwdev, sg->length, dir, 0);
- swiotlb_unmap_sg(hwdev, sg - i, i, dir);
+ swiotlb_unmap_sg(hwdev, sgl, i, dir);
sgl[0].dma_length = 0;
return 0;
}