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Subject[PATCH v3 066/110] namei: lift (open-coded) terminate_walk() into callers of get_link()
Date
From: Al Viro <viro@zeniv.linux.org.uk>

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
fs/namei.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/fs/namei.c b/fs/namei.c
index d99eaac..db21e04 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -892,7 +892,6 @@ const char *get_link(struct nameidata *nd)
mntget(nd->link.mnt);

if (unlikely(current->total_link_count >= MAXSYMLINKS)) {
- path_put(&nd->path);
path_put(&nd->link);
return ERR_PTR(-ELOOP);
}
@@ -916,7 +915,6 @@ const char *get_link(struct nameidata *nd)
res = inode->i_op->follow_link(dentry, &last->cookie, nd);
if (IS_ERR(res)) {
out:
- path_put(&nd->path);
path_put(&last->link);
return res;
}
@@ -1827,7 +1825,7 @@ Walked:

if (unlikely(IS_ERR(s))) {
err = PTR_ERR(s);
- goto Err;
+ break;
}
err = 0;
if (unlikely(!s)) {
@@ -1858,7 +1856,6 @@ Walked:
}
}
terminate_walk(nd);
-Err:
while (unlikely(nd->depth))
put_link(nd);
return err;
@@ -1994,8 +1991,10 @@ static int trailing_symlink(struct nameidata *nd)
return error;
nd->flags |= LOOKUP_PARENT;
s = get_link(nd);
- if (unlikely(IS_ERR(s)))
+ if (unlikely(IS_ERR(s))) {
+ terminate_walk(nd);
return PTR_ERR(s);
+ }
if (unlikely(!s))
return 0;
if (*s == '/') {
--
2.1.4


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