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authorAl Viro <viro@zeniv.linux.org.uk>2013-09-10 20:00:43 +0400
committerAl Viro <viro@zeniv.linux.org.uk>2013-09-11 01:06:45 +0400
commit443ed254c32ae9abf2f984038f656f3283aff759 (patch)
treee773ecc9866cfebb4cdce559b347820499945345 /fs/namei.c
parent4aa32895c3f924c34b9275ca28be534a8a0c624b (diff)
downloadlinux-443ed254c32ae9abf2f984038f656f3283aff759.tar.xz
... and fold the renamed __vfs_follow_link() into its only caller
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/namei.c')
-rw-r--r--fs/namei.c38
1 files changed, 14 insertions, 24 deletions
diff --git a/fs/namei.c b/fs/namei.c
index b0b2cf25075b..841c8d9286c0 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -660,29 +660,6 @@ static __always_inline void set_root_rcu(struct nameidata *nd)
}
}
-static __always_inline int __follow_link(struct nameidata *nd, const char *link)
-{
- int ret;
-
- if (IS_ERR(link))
- goto fail;
-
- if (*link == '/') {
- set_root(nd);
- path_put(&nd->path);
- nd->path = nd->root;
- path_get(&nd->root);
- nd->flags |= LOOKUP_JUMPED;
- }
- nd->inode = nd->path.dentry->d_inode;
-
- ret = link_path_walk(link, nd);
- return ret;
-fail:
- path_put(&nd->path);
- return PTR_ERR(link);
-}
-
static void path_put_conditional(struct path *path, struct nameidata *nd)
{
dput(path->dentry);
@@ -874,7 +851,20 @@ follow_link(struct path *link, struct nameidata *nd, void **p)
error = 0;
s = nd_get_link(nd);
if (s) {
- error = __follow_link(nd, s);
+ if (unlikely(IS_ERR(s))) {
+ path_put(&nd->path);
+ put_link(nd, link, *p);
+ return PTR_ERR(s);
+ }
+ if (*s == '/') {
+ set_root(nd);
+ path_put(&nd->path);
+ nd->path = nd->root;
+ path_get(&nd->root);
+ nd->flags |= LOOKUP_JUMPED;
+ }
+ nd->inode = nd->path.dentry->d_inode;
+ error = link_path_walk(s, nd);
if (unlikely(error))
put_link(nd, link, *p);
}