diff options
| author |   Aleksa Sarai <cyphar@cyphar.com> | 2019-12-07 01:13:28 +1100 |
|---|---|---|
| committer |   Al Viro <viro@zeniv.linux.org.uk> | 2019-12-08 19:09:38 -0500 |
| commit | 1bc82070fa2763bdca626fa8bde72b35f11e8960 (patch) | |
| tree | c64975083207b96e9d763e592d0ac5432c1cc97d /fs/namei.c | |
| parent | nsfs: clean-up ns_get_path() signature to return int (diff) | |
| download | linux-dev-1bc82070fa2763bdca626fa8bde72b35f11e8960.tar.xz linux-dev-1bc82070fa2763bdca626fa8bde72b35f11e8960.zip | |
namei: allow nd_jump_link() to produce errors
In preparation for LOOKUP_NO_MAGICLINKS, it's necessary to add the
ability for nd_jump_link() to return an error which the corresponding
get_link() caller must propogate back up to the VFS.
Suggested-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Aleksa Sarai <cyphar@cyphar.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/namei.c')
| -rw-r--r-- | fs/namei.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/namei.c b/fs/namei.c index 17ebaac2da49..fb8a36372376 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -859,7 +859,7 @@ static int nd_jump_root(struct nameidata *nd) * Helper to directly jump to a known parsed path from ->get_link, * caller must have taken a reference to path beforehand. */ -void nd_jump_link(struct path *path) +int nd_jump_link(struct path *path) { struct nameidata *nd = current->nameidata; path_put(&nd->path); @@ -867,6 +867,7 @@ void nd_jump_link(struct path *path) nd->path = *path; nd->inode = nd->path.dentry->d_inode; nd->flags |= LOOKUP_JUMPED; + return 0; } static inline void put_link(struct nameidata *nd) |