dma-direct: Make DIRECT_MAPPING_ERROR viable for SWIOTLB

[sfrench/cifs-2.6.git] / include / linux / dma-direct.h

diff --git a/include/linux/dma-direct.h b/include/linux/dma-direct.h
index bd73e7a9141076389ad638cc8fe4f48515331711..9e66bfe369aa057ac9d285d1f3cede42e54387cf 100644 (file)
--- a/include/linux/dma-direct.h
+++ b/include/linux/dma-direct.h
@@ -5,7 +5,7 @@
 #include <linux/dma-mapping.h>
 #include <linux/mem_encrypt.h>
 
-#define DIRECT_MAPPING_ERROR           0
+#define DIRECT_MAPPING_ERROR           (~(dma_addr_t)0)
 
 #ifdef CONFIG_ARCH_HAS_PHYS_TO_DMA
 #include <asm/dma-direct.h>