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authorAl Viro <viro@zeniv.linux.org.uk>2020-03-03 11:25:31 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2020-04-02 01:09:26 -0400
commit4542576b79a680062dc344a8a6e79d34b4c91bf1 (patch)
tree6aab4d7cd590b1aeccf0a0ad99ff3f72e999a5be /fs/namei.c
parent49055906af51b59d50a34b18820f85cc7d085218 (diff)
downloadlinux-4542576b79a680062dc344a8a6e79d34b4c91bf1.tar.bz2
reserve_stack(): switch to __nd_alloc_stack()
expand the call of nd_alloc_stack() into it (and don't recheck the depth on the second call) Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/namei.c')
-rw-r--r--fs/namei.c19
1 files changed, 8 insertions, 11 deletions
diff --git a/fs/namei.c b/fs/namei.c
index 6025406e01e5..0539a26dd9b4 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -566,15 +566,6 @@ static bool path_connected(struct vfsmount *mnt, struct dentry *dentry)
return is_subdir(dentry, mnt->mnt_root);
}
-static inline int nd_alloc_stack(struct nameidata *nd)
-{
- if (likely(nd->depth != EMBEDDED_LEVELS))
- return 0;
- if (likely(nd->stack != nd->internal))
- return 0;
- return __nd_alloc_stack(nd);
-}
-
static void drop_links(struct nameidata *nd)
{
int i = nd->depth;
@@ -1586,7 +1577,13 @@ static int reserve_stack(struct nameidata *nd, struct path *link, unsigned seq)
if (unlikely(nd->total_link_count++ >= MAXSYMLINKS))
return -ELOOP;
- error = nd_alloc_stack(nd);
+
+ if (likely(nd->depth != EMBEDDED_LEVELS))
+ return 0;
+ if (likely(nd->stack != nd->internal))
+ return 0;
+
+ error = __nd_alloc_stack(nd);
if (likely(!error))
return 0;
if (error == -ECHILD) {
@@ -1597,7 +1594,7 @@ static int reserve_stack(struct nameidata *nd, struct path *link, unsigned seq)
if (unlikely(!grabbed_link))
error = -ECHILD;
if (!error)
- error = nd_alloc_stack(nd);
+ error = __nd_alloc_stack(nd);
}
return error;
}