brain-hackers_pepepper-mirror/linux-brain
1
0
Fork 0
mirror of https://github.com/brain-hackers/linux-brain.git synced 2024-06-09 15:26:21 +09:00
Code Issues Projects Releases Wiki Activity

put_link: nd->depth massage, part 8

Browse Source 
all calls are preceded by decrement of nd->depth; move it into
put_link() itself.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2015-05-03 21:06:24 -04:00
parent 9ea57b72bf
commit 21c3003d36
1 changed files with 4 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
fs/namei.c
View File

@ -754,7 +754,7 @@ void nd_jump_link(struct nameidata *nd, struct path *path)
static inline void put_link(struct nameidata *nd)
{
struct saved *last = nd->stack + nd->depth;
struct saved *last = nd->stack + --nd->depth;
struct inode *inode = last->link.dentry->d_inode;
if (last->cookie && inode->i_op->put_link)
inode->i_op->put_link(last->link.dentry, last->cookie);
@ -1840,7 +1840,6 @@ static int link_path_walk(const char *name, struct nameidata *nd)
err = 0;
if (unlikely(!s)) {
/* jumped */
nd->depth--;
put_link(nd);
} else {
if (*s == '/') {
@ -1868,16 +1867,13 @@ static int link_path_walk(const char *name, struct nameidata *nd)
}
terminate_walk(nd);
Err:
while (unlikely(nd->depth > 1)) {
nd->depth--;
while (unlikely(nd->depth > 1))
put_link(nd);
}
return err;
OK:
if (unlikely(nd->depth > 1)) {
name = nd->stack[nd->depth - 1].name;
err = walk_component(nd, LOOKUP_FOLLOW);
nd->depth--;
put_link(nd);
goto Walked;
}
@ -2021,12 +2017,9 @@ static int trailing_symlink(struct nameidata *nd)
}
nd->inode = nd->path.dentry->d_inode;
error = link_path_walk(s, nd);
if (unlikely(error)) {
nd->depth--;
if (unlikely(error))
put_link(nd);
return error;
}
return 0;
return error;
}
static inline int lookup_last(struct nameidata *nd)
@ -2066,7 +2059,6 @@ static int path_lookupat(int dfd, const struct filename *name,
if (err)
break;
err = lookup_last(nd);
nd->depth--;
put_link(nd);
}
}
@ -2416,7 +2408,6 @@ path_mountpoint(int dfd, const struct filename *name, struct path *path,
if (err)
break;
err = mountpoint_last(nd, path);
nd->depth--;
put_link(nd);
}
out:
@ -3301,7 +3292,6 @@ static struct file *path_openat(int dfd, struct filename *pathname,
if (unlikely(error))
break;
error = do_last(nd, file, op, &opened, pathname);
nd->depth--;
put_link(nd);
}
out: