[S390] Add missing ifndef/define to include/asm-s390/sysinfo.h.

In order to protect against compile breakage in case the header file
gets included twice.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/include/asm-s390/sysinfo.h b/include/asm-s390/sysinfo.h
index abe10ae15e46..79d01343f8b0 100644
--- a/include/asm-s390/sysinfo.h
+++ b/include/asm-s390/sysinfo.h
@@ -11,6 +11,9 @@
  *               Christian Borntraeger <borntraeger@de.ibm.com>
  */
 
+#ifndef __ASM_S390_SYSINFO_H
+#define __ASM_S390_SYSINFO_H
+
 struct sysinfo_1_1_1 {
         char reserved_0[32];
         char manufacturer[16];
@@ -114,3 +117,5 @@ static inline int stsi(void *sysinfo, int fc, int sel1, int sel2)
                 : "cc", "memory");
         return r0;
 }
+
+#endif /* __ASM_S390_SYSINFO_H */