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make d_splice_alias(ERR_PTR(err), dentry) = ERR_PTR(err)

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... and simplify the living hell out of callers

Signed-off-by: Al Viro <[email protected]>
This commit is contained in:
Al Viro 2011-07-08 21:20:11 -04:00
commit a9049376ee
15 changed files with 39 additions and 94 deletions
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29
fs/fat/namei_msdos.c
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@ -209,29 +209,20 @@ static struct dentry *msdos_lookup(struct inode *dir, struct dentry *dentry,
int err;
lock_super(sb);
err = msdos_find(dir, dentry->d_name.name, dentry->d_name.len, &sinfo);
if (err) {
if (err == -ENOENT) {
inode = NULL;
goto out;
}
goto error;
switch (err) {
case -ENOENT:
inode = NULL;
break;
case 0:
inode = fat_build_inode(sb, sinfo.de, sinfo.i_pos);
brelse(sinfo.bh);
break;
default:
inode = ERR_PTR(err);
}
inode = fat_build_inode(sb, sinfo.de, sinfo.i_pos);
brelse(sinfo.bh);
if (IS_ERR(inode)) {
err = PTR_ERR(inode);
goto error;
}
out:
unlock_super(sb);
return d_splice_alias(inode, dentry);
error:
unlock_super(sb);
return ERR_PTR(err);
}
/***** Creates a directory entry (name is already formatted). */