diff options
Diffstat (limited to 'lib/dma-debug.c')
-rw-r--r-- | lib/dma-debug.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/lib/dma-debug.c b/lib/dma-debug.c index f9e6d38b4b34..1a992089486c 100644 --- a/lib/dma-debug.c +++ b/lib/dma-debug.c | |||
@@ -722,10 +722,11 @@ void debug_dma_map_page(struct device *dev, struct page *page, size_t offset, | |||
722 | entry->size = size; | 722 | entry->size = size; |
723 | entry->direction = direction; | 723 | entry->direction = direction; |
724 | 724 | ||
725 | if (map_single) { | 725 | if (map_single) |
726 | void *addr = ((char *)page_address(page)) + offset; | ||
727 | |||
728 | entry->type = dma_debug_single; | 726 | entry->type = dma_debug_single; |
727 | |||
728 | if (!PageHighMem(page)) { | ||
729 | void *addr = ((char *)page_address(page)) + offset; | ||
729 | check_for_stack(dev, addr); | 730 | check_for_stack(dev, addr); |
730 | check_for_illegal_area(dev, addr, size); | 731 | check_for_illegal_area(dev, addr, size); |
731 | } | 732 | } |
@@ -779,8 +780,10 @@ void debug_dma_map_sg(struct device *dev, struct scatterlist *sg, | |||
779 | entry->sg_call_ents = nents; | 780 | entry->sg_call_ents = nents; |
780 | entry->sg_mapped_ents = mapped_ents; | 781 | entry->sg_mapped_ents = mapped_ents; |
781 | 782 | ||
782 | check_for_stack(dev, sg_virt(s)); | 783 | if (!PageHighMem(sg_page(s))) { |
783 | check_for_illegal_area(dev, sg_virt(s), s->length); | 784 | check_for_stack(dev, sg_virt(s)); |
785 | check_for_illegal_area(dev, sg_virt(s), s->length); | ||
786 | } | ||
784 | 787 | ||
785 | add_dma_entry(entry); | 788 | add_dma_entry(entry); |
786 | } | 789 | } |