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lift terminate_walk() into callers of walk_component() 

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2015-05-04 07:59:30 -04:00
parent 70291aecc6
commit f0a9ba7021
1 changed files with 11 additions and 14 deletions
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25
fs/namei.c
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@ -1587,20 +1587,16 @@ static int walk_component(struct nameidata *nd, int follow)
* to be able to know about the current root directory and
* parent relationships.
*/
if (unlikely(nd->last_type != LAST_NORM)) {
err = handle_dots(nd, nd->last_type);
if (err)
goto out_err;
return 0;
}
if (unlikely(nd->last_type != LAST_NORM))
return handle_dots(nd, nd->last_type);
err = lookup_fast(nd, &path, &inode);
if (unlikely(err)) {
if (err < 0)
goto out_err;
return err;
err = lookup_slow(nd, &path);
if (err < 0)
goto out_err;
return err;
inode = path.dentry->d_inode;
err = -ENOENT;
@ -1612,8 +1608,7 @@ static int walk_component(struct nameidata *nd, int follow)
if (nd->flags & LOOKUP_RCU) {
if (unlikely(nd->path.mnt != path.mnt ||
unlazy_walk(nd, path.dentry))) {
err = -ECHILD;
goto out_err;
return -ECHILD;
}
}
BUG_ON(inode != path.dentry->d_inode);
@ -1626,8 +1621,6 @@ static int walk_component(struct nameidata *nd, int follow)
out_path_put:
path_to_nameidata(&path, nd);
out_err:
terminate_walk(nd);
return err;
}
@ -1819,7 +1812,7 @@ static int link_path_walk(const char *name, struct nameidata *nd)
err = walk_component(nd, LOOKUP_FOLLOW);
Walked:
if (err < 0)
goto Err;
break;
if (err) {
const char *s;
@ -2020,11 +2013,15 @@ static int trailing_symlink(struct nameidata *nd)
static inline int lookup_last(struct nameidata *nd)
{
int err;
if (nd->last_type == LAST_NORM && nd->last.name[nd->last.len])
nd->flags |= LOOKUP_FOLLOW | LOOKUP_DIRECTORY;
nd->flags &= ~LOOKUP_PARENT;
return walk_component(nd, nd->flags & LOOKUP_FOLLOW);
err = walk_component(nd, nd->flags & LOOKUP_FOLLOW);
if (err < 0)
terminate_walk(nd);
return err;
}
/* Returns 0 and nd will be valid on success; Retuns error, otherwise. */