1 files changed, 4 insertions, 1 deletions

diff --git a/lib/string.c b/lib/string.c
index b3c28a3f6332..064f6315b1c3 100644
--- a/lib/string.c
+++ b/lib/string.c
@@ -362,6 +362,7 @@ size_t strspn(const char *s, const char *accept)
 EXPORT_SYMBOL(strspn);
 #endif
 
+#ifndef __HAVE_ARCH_STRCSPN
 /**
  * strcspn - Calculate the length of the initial substring of @s which does
  *      not contain letters in @reject
@@ -384,6 +385,7 @@ size_t strcspn(const char *s, const char *reject)
         return count;
 }
 EXPORT_SYMBOL(strcspn);
+#endif
 
 #ifndef __HAVE_ARCH_STRPBRK
 /**
@@ -403,6 +405,7 @@ char *strpbrk(const char *cs, const char *ct)
         }
         return NULL;
 }
+EXPORT_SYMBOL(strpbrk);
 #endif
 
 #ifndef __HAVE_ARCH_STRSEP
@@ -467,7 +470,7 @@ EXPORT_SYMBOL(memset);
 void *memcpy(void *dest, const void *src, size_t count)
 {
         char *tmp = dest;
-        char *s = src;
+        const char *s = src;
 
         while (count--)
                 *tmp++ = *s++;