1// SPDX-License-Identifier: GPL-2.0
 2/*
 3 * QNX6 file system, Linux implementation.
 4 *
 5 * Version : 1.0.0
 6 *
 7 * History :
 8 *
 9 * 01-02-2012 by Kai Bankett (chaosman@ontika.net) : first release.
10 * 16-02-2012 pagemap extension by Al Viro
11 *
12 */
13
14#include "qnx6.h"
15
16struct dentry *qnx6_lookup(struct inode *dir, struct dentry *dentry,
17				unsigned int flags)
18{
19	unsigned ino;
20	struct inode *foundinode = NULL;
21	const char *name = dentry->d_name.name;
22	int len = dentry->d_name.len;
23
24	if (len > QNX6_LONG_NAME_MAX)
25		return ERR_PTR(-ENAMETOOLONG);
26
27	ino = qnx6_find_ino(len, dir, name);
28	if (ino) {
29		foundinode = qnx6_iget(dir->i_sb, ino);
30		if (IS_ERR(foundinode))
31			pr_debug("lookup->iget ->  error %ld\n",
32				 PTR_ERR(foundinode));
33	} else {
34		pr_debug("%s(): not found %s\n", __func__, name);
35	}
36	return d_splice_alias(foundinode, dentry);
37}