jfs_lookup(): don't bother with . or ..
they'll never be passed to ->lookup()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/jfs/namei.c b/fs/jfs/namei.c
index 2473315..03787ef 100644
--- a/fs/jfs/namei.c
+++ b/fs/jfs/namei.c
@@ -1456,34 +1456,25 @@
ino_t inum;
struct inode *ip;
struct component_name key;
- const char *name = dentry->d_name.name;
- int len = dentry->d_name.len;
int rc;
- jfs_info("jfs_lookup: name = %s", name);
+ jfs_info("jfs_lookup: name = %s", dentry->d_name.name);
- if ((name[0] == '.') && (len == 1))
- inum = dip->i_ino;
- else if (strcmp(name, "..") == 0)
- inum = PARENT(dip);
- else {
- if ((rc = get_UCSname(&key, dentry)))
- return ERR_PTR(rc);
- rc = dtSearch(dip, &key, &inum, &btstack, JFS_LOOKUP);
- free_UCSname(&key);
- if (rc == -ENOENT) {
- d_add(dentry, NULL);
- return NULL;
- } else if (rc) {
- jfs_err("jfs_lookup: dtSearch returned %d", rc);
- return ERR_PTR(rc);
- }
+ if ((rc = get_UCSname(&key, dentry)))
+ return ERR_PTR(rc);
+ rc = dtSearch(dip, &key, &inum, &btstack, JFS_LOOKUP);
+ free_UCSname(&key);
+ if (rc == -ENOENT) {
+ ip = NULL;
+ } else if (rc) {
+ jfs_err("jfs_lookup: dtSearch returned %d", rc);
+ ip = ERR_PTR(rc);
+ } else {
+ ip = jfs_iget(dip->i_sb, inum);
+ if (IS_ERR(ip))
+ jfs_err("jfs_lookup: iget failed on inum %d", (uint)inum);
}
- ip = jfs_iget(dip->i_sb, inum);
- if (IS_ERR(ip))
- jfs_err("jfs_lookup: iget failed on inum %d", (uint) inum);
-
return d_splice_alias(ip, dentry);
}