From 9e91fdb32d449a6b57f8236a793ae2f3df79b4d8 Mon Sep 17 00:00:00 2001 From: FUJITA Tomonori Date: Wed, 17 Oct 2007 10:06:18 +0200 Subject: [PATCH] swiotlb: fix map_sg failure handling sg list elements might not be continuous. Signed-off-by: FUJITA Tomonori Signed-off-by: Jens Axboe --- lib/swiotlb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) 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; } -- 2.20.1