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-rw-r--r--lib/swiotlb.c6
1 files changed, 1 insertions, 5 deletions
diff --git a/lib/swiotlb.c b/lib/swiotlb.c
index 240a67c2c97..f8eebd48914 100644
--- a/lib/swiotlb.c
+++ b/lib/swiotlb.c
@@ -276,11 +276,7 @@ cleanup1:
static int
address_needs_mapping(struct device *hwdev, dma_addr_t addr, size_t size)
{
- dma_addr_t mask = 0xffffffff;
- /* If the device has a mask, use it, otherwise default to 32 bits */
- if (hwdev && hwdev->dma_mask)
- mask = *hwdev->dma_mask;
- return !is_buffer_dma_capable(mask, addr, size);
+ return !is_buffer_dma_capable(dma_get_mask(hwdev), addr, size);
}
static int is_swiotlb_buffer(char *addr)