1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/string.h b/include/linux/string.h
index 9ef7795e65e4..9eebc66d957a 100644
--- a/include/linux/string.h
+++ b/include/linux/string.h
@@ -10,6 +10,7 @@
 
 extern char *strndup_user(const char __user *, long);
 extern void *memdup_user(const void __user *, size_t);
+extern void *memdup_user_nul(const void __user *, size_t);
 
 /*
  * Include machine specific inline routines