yaffsfs.c: Fix NULL dereference in yaffs_unmount2_reldev()

[yaffs2.git] / direct / yaffs_error.c

diff --git a/direct/yaffs_error.c b/direct/yaffs_error.c
index dfdb798b77ed1c43ea7c5ef8da15700e552cba80..bc892f719614419cc711ce59e138182aa9d4a3cc 100644 (file)
--- a/direct/yaffs_error.c
+++ b/direct/yaffs_error.c
@@ -1,8 +1,7 @@
 /*
  * YAFFS: Yet another FFS. A NAND-flash specific file system.
  *
- * Copyright (C) 2002-2011 Aleph One Ltd.
- *   for Toby Churchill Ltd and Brightstar Engineering
+ * Copyright (C) 2002-2018 Aleph One Ltd.
  *
  * Created by Timothy Manning <timothy@yaffs.net>
  *
@@ -14,8 +13,8 @@
 #include "yaffsfs.h"
 
 struct error_entry {
-  int code;
-  char * text;  
+       int code;
+       const char *text;
 };
 
 static const struct error_entry error_list[] = {
@@ -31,7 +30,7 @@ static const struct error_entry error_list[] = {
        { ERANGE , "ERANGE"},
        { ENODATA, "ENODATA"},
        { ENOTEMPTY, "ENOTEMPTY"},
-       { ENAMETOOLONG,"ENAMETOOLONG"},
+       { ENAMETOOLONG, "ENAMETOOLONG"},
        { ENOMEM , "ENOMEM"},
        { EEXIST , "EEXIST"},
        { ENOTDIR , "ENOTDIR"},
@@ -42,15 +41,15 @@ static const struct error_entry error_list[] = {
        { 0, NULL }
 };
 
-const char * yaffs_error_to_str(int err)
+const char *yaffs_error_to_str(int err)
 {
        const struct error_entry *e = error_list;
 
-       if (err < 0) 
+       if (err < 0)
                err = -err;
 
-       while(e->code && e->text){
-               if(err == e->code)
+       while (e->code && e->text) {
+               if (err == e->code)
                        return e->text;
                e++;
        }