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-rw-r--r--lib/swiotlb.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/swiotlb.c b/lib/swiotlb.c
index 47aeb04c1997..de7cc540450f 100644
--- a/lib/swiotlb.c
+++ b/lib/swiotlb.c
@@ -719,7 +719,7 @@ swiotlb_alloc_buffer(struct device *dev, size_t size, dma_addr_t *dma_handle,
goto out_warn;
*dma_handle = __phys_to_dma(dev, phys_addr);
- if (dma_coherent_ok(dev, *dma_handle, size))
+ if (!dma_coherent_ok(dev, *dma_handle, size))
goto out_unmap;
memset(phys_to_virt(phys_addr), 0, size);