NTFS: Handle the recently introduced -ENAMETOOLONG return value from

      fs/ntfs/unistr.c::ntfs_nlstoucs() in fs/ntfs/namei.c::ntfs_lookup().

Signed-off-by: Anton Altaparmakov <aia21@cantab.net>

1 files changed, 4 insertions, 3 deletions

diff --git a/fs/ntfs/namei.c b/fs/ntfs/namei.c
index 78e0cf738e24..eddb2247cec5 100644
--- a/fs/ntfs/namei.c
+++ b/fs/ntfs/namei.c
@@ -115,7 +115,9 @@ static struct dentry *ntfs_lookup(struct inode *dir_ino, struct dentry *dent,
         uname_len = ntfs_nlstoucs(vol, dent->d_name.name, dent->d_name.len,
                         &uname);
         if (uname_len < 0) {
-                ntfs_error(vol->sb, "Failed to convert name to Unicode.");
+                if (uname_len != -ENAMETOOLONG)
+                        ntfs_error(vol->sb, "Failed to convert name to "
+                                        "Unicode.");
                 return ERR_PTR(uname_len);
         }
         mref = ntfs_lookup_inode_by_name(NTFS_I(dir_ino), uname, uname_len,
@@ -157,7 +159,7 @@ static struct dentry *ntfs_lookup(struct inode *dir_ino, struct dentry *dent,
                 /* Return the error code. */
                 return (struct dentry *)dent_inode;
         }
-        /* It is guaranteed that name is no longer allocated at this point. */
+        /* It is guaranteed that @name is no longer allocated at this point. */
         if (MREF_ERR(mref) == -ENOENT) {
                 ntfs_debug("Entry was not found, adding negative dentry.");
                 /* The dcache will handle negative entries. */
@@ -168,7 +170,6 @@ static struct dentry *ntfs_lookup(struct inode *dir_ino, struct dentry *dent,
         ntfs_error(vol->sb, "ntfs_lookup_ino_by_name() failed with error "
                         "code %i.", -MREF_ERR(mref));
         return ERR_PTR(MREF_ERR(mref));
-
         // TODO: Consider moving this lot to a separate function! (AIA)
 handle_name:
    {