From: Anton Altaparmakov <aia21@cantab.net>
Date: Thu, 23 Mar 2006 16:25:23 +0000 (+0000)
Subject: NTFS: Handle the recently introduced -ENAMETOOLONG return value from
X-Git-Tag: v2.6.17-rc1~993^2^2~3
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=834ba600cefe6847acaebe5e8e984476dfeebf55;p=linux-2.6

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>
---

diff --git a/fs/ntfs/ChangeLog b/fs/ntfs/ChangeLog
index d20031587b..9fb08ef3a7 100644
--- a/fs/ntfs/ChangeLog
+++ b/fs/ntfs/ChangeLog
@@ -16,8 +16,6 @@ ToDo/Notes:
 	  inode having been discarded already.  Whether this can actually ever
 	  happen is unclear however so it is worth waiting until someone hits
 	  the problem.
-	- Enable the code for setting the NT4 compatibility flag when we start
-	  making NTFS 1.2 specific modifications.
 
 2.1.27 - Various bug fixes and cleanups.
 
@@ -43,6 +41,8 @@ ToDo/Notes:
 	  have an index allocation attribute failed.
 	- Add a missing call to flush_dcache_mft_record_page() in
 	  fs/ntfs/inode.c::ntfs_write_inode().
+	- Handle the recently introduced -ENAMETOOLONG return value from
+	  fs/ntfs/unistr.c::ntfs_nlstoucs() in fs/ntfs/namei.c::ntfs_lookup().
 
 2.1.26 - Minor bug fixes and updates.
 
diff --git a/fs/ntfs/namei.c b/fs/ntfs/namei.c
index 78e0cf738e..eddb2247ce 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:
    {