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-rw-r--r--arch/um/drivers/cow.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/um/drivers/cow.h b/arch/um/drivers/cow.h
index 4fcf3a8d13f4..4fcbe8b1b77e 100644
--- a/arch/um/drivers/cow.h
+++ b/arch/um/drivers/cow.h
@@ -3,10 +3,10 @@
#include <asm/types.h>
-#if defined(__BIG_ENDIAN)
+#if __BYTE_ORDER == __BIG_ENDIAN
# define ntohll(x) (x)
# define htonll(x) (x)
-#elif defined(__LITTLE_ENDIAN)
+#elif __BYTE_ORDER == __LITTLE_ENDIAN
# define ntohll(x) bswap_64(x)
# define htonll(x) bswap_64(x)
#else