Merge commit 'v2.6.27-rc8' into core/rcu

2 files changed, 5 insertions, 1 deletions

diff --git a/lib/scatterlist.c b/lib/scatterlist.c
index 876ba6d..8d2688f 100644
--- a/lib/scatterlist.c
+++ b/lib/scatterlist.c
@@ -422,9 +422,12 @@ static size_t sg_copy_buffer(struct scatterlist *sgl, unsigned int nents,
 {
 	unsigned int offset = 0;
 	struct sg_mapping_iter miter;
+	unsigned long flags;
 
 	sg_miter_start(&miter, sgl, nents, SG_MITER_ATOMIC);
 
+	local_irq_save(flags);
+
 	while (sg_miter_next(&miter) && offset < buflen) {
 		unsigned int len;
 
@@ -442,6 +445,7 @@ static size_t sg_copy_buffer(struct scatterlist *sgl, unsigned int nents,
 
 	sg_miter_stop(&miter);
 
+	local_irq_restore(flags);
 	return offset;
 }
 
diff --git a/lib/swiotlb.c b/lib/swiotlb.c
index 977edbd..8826fdf 100644
--- a/lib/swiotlb.c
+++ b/lib/swiotlb.c
@@ -491,7 +491,7 @@ swiotlb_alloc_coherent(struct device *hwdev, size_t size,
 		 * the lowest available address range.
 		 */
 		dma_addr_t handle;
-		handle = swiotlb_map_single(NULL, NULL, size, DMA_FROM_DEVICE);
+		handle = swiotlb_map_single(hwdev, NULL, size, DMA_FROM_DEVICE);
 		if (swiotlb_dma_mapping_error(hwdev, handle))
 			return NULL;