linux-kernel - [PATCH 13/21] fat: Cleanup msdos

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Date:	Wed, 15 Oct 2008 22:57:59 +0900
From:	OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>
To:	akpm@...ux-foundation.org
Cc:	linux-kernel@...r.kernel.org, hirofumi@...l.parknet.co.jp
Subject: [PATCH 13/21] fat: Cleanup msdos_lookup()


Use same style with vfat_lookup().

Signed-off-by: OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>
---

 fs/fat/namei_msdos.c |   38 +++++++++++++++++++++-----------------
 1 file changed, 21 insertions(+), 17 deletions(-)

diff -puN fs/fat/namei_msdos.c~msdos-lookup-cleanup fs/fat/namei_msdos.c
--- linux-2.6/fs/fat/namei_msdos.c~msdos-lookup-cleanup	2008-08-27 19:28:14.000000000 +0900
+++ linux-2.6-hirofumi/fs/fat/namei_msdos.c	2008-08-27 19:28:14.000000000 +0900
@@ -203,33 +203,37 @@ static struct dentry *msdos_lookup(struc
 {
 	struct super_block *sb = dir->i_sb;
 	struct fat_slot_info sinfo;
-	struct inode *inode = NULL;
-	int res;
-
-	dentry->d_op = &msdos_dentry_operations;
+	struct inode *inode;
+	int err;
 
 	lock_super(sb);
-	res = msdos_find(dir, dentry->d_name.name, dentry->d_name.len, &sinfo);
-	if (res == -ENOENT)
-		goto add;
-	if (res < 0)
-		goto out;
+
+	err = msdos_find(dir, dentry->d_name.name, dentry->d_name.len, &sinfo);
+	if (err) {
+		if (err == -ENOENT) {
+			inode = NULL;
+			goto out;
+		}
+		goto error;
+	}
+
 	inode = fat_build_inode(sb, sinfo.de, sinfo.i_pos);
 	brelse(sinfo.bh);
 	if (IS_ERR(inode)) {
-		res = PTR_ERR(inode);
-		goto out;
+		err = PTR_ERR(inode);
+		goto error;
 	}
-add:
-	res = 0;
+out:
+	unlock_super(sb);
+	dentry->d_op = &msdos_dentry_operations;
 	dentry = d_splice_alias(inode, dentry);
 	if (dentry)
 		dentry->d_op = &msdos_dentry_operations;
-out:
+	return dentry;
+
+error:
 	unlock_super(sb);
-	if (!res)
-		return dentry;
-	return ERR_PTR(res);
+	return ERR_PTR(err);
 }
 
 /***** Creates a directory entry (name is already formatted). */
_
--
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