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path: root/drivers/vdpa
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-rw-r--r--drivers/vdpa/vdpa_user/iova_domain.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/vdpa/vdpa_user/iova_domain.c b/drivers/vdpa/vdpa_user/iova_domain.c
index bca1f0b8850c..50d7c08d5450 100644
--- a/drivers/vdpa/vdpa_user/iova_domain.c
+++ b/drivers/vdpa/vdpa_user/iova_domain.c
@@ -138,18 +138,17 @@ static void do_bounce(phys_addr_t orig, void *addr, size_t size,
{
unsigned long pfn = PFN_DOWN(orig);
unsigned int offset = offset_in_page(orig);
- char *buffer;
+ struct page *page;
unsigned int sz = 0;
while (size) {
sz = min_t(size_t, PAGE_SIZE - offset, size);
- buffer = kmap_atomic(pfn_to_page(pfn));
+ page = pfn_to_page(pfn);
if (dir == DMA_TO_DEVICE)
- memcpy(addr, buffer + offset, sz);
+ memcpy_from_page(addr, page, offset, sz);
else
- memcpy(buffer + offset, addr, sz);
- kunmap_atomic(buffer);
+ memcpy_to_page(page, offset, addr, sz);
size -= sz;
pfn++;