cifs: correction of unicode header files

This patch corrects a problem of compilation errors at removal of
UNIUPR_NOLOWER definition and adds include guards to cifs_unicode.h.

Signed-off-by: Igor Druzhinin <jaxbrigs@gmail.com>
Acked-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>

2 files changed, 19 insertions, 15 deletions

diff --git a/fs/cifs/cifs_unicode.h b/fs/cifs/cifs_unicode.h
index 650638275a6f..7fe6b52df507 100644
--- a/fs/cifs/cifs_unicode.h
+++ b/fs/cifs/cifs_unicode.h
@@ -30,6 +30,8 @@
  *     This is a compressed table of upper and lower case conversion.
  *
  */
+#ifndef _CIFS_UNICODE_H
+#define _CIFS_UNICODE_H
 
 #include <asm/byteorder.h>
 #include <linux/types.h>
@@ -67,8 +69,8 @@ extern const struct UniCaseRange CifsUniUpperRange[];
 #endif                          /* UNIUPR_NOUPPER */
 
 #ifndef UNIUPR_NOLOWER
-extern signed char UniLowerTable[512];
-extern struct UniCaseRange UniLowerRange[];
+extern signed char CifsUniLowerTable[512];
+extern const struct UniCaseRange CifsUniLowerRange[];
 #endif                          /* UNIUPR_NOLOWER */
 
 #ifdef __KERNEL__
@@ -337,15 +339,15 @@ UniStrupr(register wchar_t *upin)
  * UniTolower:  Convert a unicode character to lower case
  */
 static inline wchar_t
-UniTolower(wchar_t uc)
+UniTolower(register wchar_t uc)
 {
-        register struct UniCaseRange *rp;
+        register const struct UniCaseRange *rp;
 
-        if (uc < sizeof(UniLowerTable)) {
+        if (uc < sizeof(CifsUniLowerTable)) {
                 /* Latin characters */
-                return uc + UniLowerTable[uc];  /* Use base tables */
+                return uc + CifsUniLowerTable[uc];      /* Use base tables */
         } else {
-                rp = UniLowerRange;     /* Use range tables */
+                rp = CifsUniLowerRange; /* Use range tables */
                 while (rp->start) {
                         if (uc < rp->start)     /* Before start of range */
                                 return uc;      /* Uppercase = input */
@@ -374,3 +376,5 @@ UniStrlwr(register wchar_t *upin)
 }
 
 #endif
+
+#endif /* _CIFS_UNICODE_H */
diff --git a/fs/cifs/cifs_uniupr.h b/fs/cifs/cifs_uniupr.h
index 18a9d978e519..0ac7c5a8633a 100644
--- a/fs/cifs/cifs_uniupr.h
+++ b/fs/cifs/cifs_uniupr.h
@@ -140,7 +140,7 @@ const struct UniCaseRange CifsUniUpperRange[] = {
 /*
  * Latin lower case
  */
-static signed char CifsUniLowerTable[512] = {
+signed char CifsUniLowerTable[512] = {
         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 000-00f */
         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 010-01f */
         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 020-02f */
@@ -242,12 +242,12 @@ static signed char UniCaseRangeLff20[27] = {
 /*
  * Lower Case Range
  */
-static const struct UniCaseRange CifsUniLowerRange[] = {
-        0x0380, 0x03ab, UniCaseRangeL0380,
-        0x0400, 0x042f, UniCaseRangeL0400,
-        0x0490, 0x04cb, UniCaseRangeL0490,
-        0x1e00, 0x1ff7, UniCaseRangeL1e00,
-        0xff20, 0xff3a, UniCaseRangeLff20,
-        0, 0, 0
+const struct UniCaseRange CifsUniLowerRange[] = {
+        {0x0380, 0x03ab, UniCaseRangeL0380},
+        {0x0400, 0x042f, UniCaseRangeL0400},
+        {0x0490, 0x04cb, UniCaseRangeL0490},
+        {0x1e00, 0x1ff7, UniCaseRangeL1e00},
+        {0xff20, 0xff3a, UniCaseRangeLff20},
+        {0}
 };
 #endif