1 files changed, 5 insertions, 0 deletions

diff --git a/include/asm-x86/xor_32.h b/include/asm-x86/xor_32.h
index 067b5c1835a..921b4584044 100644
--- a/include/asm-x86/xor_32.h
+++ b/include/asm-x86/xor_32.h
@@ -1,3 +1,6 @@
+#ifndef ASM_X86__XOR_32_H
+#define ASM_X86__XOR_32_H
+
 /*
  * Optimized RAID-5 checksumming functions for MMX and SSE.
  *
@@ -881,3 +884,5 @@ do {							\
    deals with a load to a line that is being prefetched.  */
 #define XOR_SELECT_TEMPLATE(FASTEST)                    \
         (cpu_has_xmm ? &xor_block_pIII_sse : FASTEST)
+
+#endif /* ASM_X86__XOR_32_H */