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authorFUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>2007-10-17 04:06:18 -0400
committerJens Axboe <jens.axboe@oracle.com>2007-10-17 04:06:18 -0400
commit9e91fdb32d449a6b57f8236a793ae2f3df79b4d8 (patch)
treea375e906206970bbd09b6d0b91138d1f66cc7de5 /lib
parent24c31eede658c30e4fcc93505589fd519c3aa4b8 (diff)
swiotlb: fix map_sg failure handling
sg list elements might not be continuous. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'lib')
-rw-r--r--lib/swiotlb.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/swiotlb.c b/lib/swiotlb.c
index c419ecf334c3..752fd95323f3 100644
--- a/lib/swiotlb.c
+++ b/lib/swiotlb.c
@@ -696,7 +696,7 @@ swiotlb_map_sg(struct device *hwdev, struct scatterlist *sgl, int nelems,
696 /* Don't panic here, we expect map_sg users 696 /* Don't panic here, we expect map_sg users
697 to do proper error handling. */ 697 to do proper error handling. */
698 swiotlb_full(hwdev, sg->length, dir, 0); 698 swiotlb_full(hwdev, sg->length, dir, 0);
699 swiotlb_unmap_sg(hwdev, sg - i, i, dir); 699 swiotlb_unmap_sg(hwdev, sgl, i, dir);
700 sgl[0].dma_length = 0; 700 sgl[0].dma_length = 0;
701 return 0; 701 return 0;
702 } 702 }