1 files changed, 3 insertions, 1 deletions

diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index 3c62ed40849..78a702ce4fc 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -423,8 +423,10 @@ static inline int fault_in_pages_readable(const char __user *uaddr, int size)
                 const char __user *end = uaddr + size - 1;
 
                 if (((unsigned long)uaddr & PAGE_MASK) !=
-                                ((unsigned long)end & PAGE_MASK))
+                                ((unsigned long)end & PAGE_MASK)) {
                         ret = __get_user(c, end);
+                        (void)c;
+                }
         }
         return ret;
 }