fat/nls: Fix handling of utf8 invalid char

[pandora-kernel.git] / fs / fat / namei_vfat.c

diff --git a/fs/fat/namei_vfat.c b/fs/fat/namei_vfat.c
index cb6e835..f565f24 100644 (file)
--- a/fs/fat/namei_vfat.c
+++ b/fs/fat/namei_vfat.c
@@ -499,17 +499,10 @@ xlate_to_uni(const unsigned char *name, int len, unsigned char *outname,
        int charlen;
 
        if (utf8) {
-               int name_len = strlen(name);
-
-               *outlen = utf8s_to_utf16s(name, PATH_MAX, (wchar_t *) outname);
-
-               /*
-                * We stripped '.'s before and set len appropriately,
-                * but utf8s_to_utf16s doesn't care about len
-                */
-               *outlen -= (name_len - len);
-
-               if (*outlen > 255)
+               *outlen = utf8s_to_utf16s(name, len, (wchar_t *)outname);
+               if (*outlen < 0)
+                       return *outlen;
+               else if (*outlen > 255)
                        return -ENAMETOOLONG;
 
                op = &outname[*outlen * sizeof(wchar_t)];