Messages in this thread Patch in this message | | | From | Al Viro <> | Subject | [PATCH 68/79] namei: have terminate_walk() do put_link() on everything left | Date | Tue, 5 May 2015 06:22:42 +0100 |
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From: Al Viro <viro@zeniv.linux.org.uk>
All callers of terminate_walk() are followed by more or less open-coded eqiuvalent of "do put_link() on everything left in nd->stack". Better done in terminate_walk() itself, and when we go for RCU symlink traversal we'll have to do it there anyway.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> --- fs/namei.c | 10 ++-------- 1 file changed, 2 insertions(+), 8 deletions(-)
diff --git a/fs/namei.c b/fs/namei.c index 0fbc9b7..3faf3e2 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -1554,6 +1554,8 @@ static void terminate_walk(struct nameidata *nd) nd->root.mnt = NULL; rcu_read_unlock(); } + while (unlikely(nd->depth)) + put_link(nd); } /* @@ -1848,8 +1850,6 @@ Walked: } } terminate_walk(nd); - while (unlikely(nd->depth)) - put_link(nd); return err; OK: if (!nd->depth) /* called from path_init(), done */ @@ -2366,8 +2366,6 @@ done: error = 0; out: terminate_walk(nd); - if (nd->depth) - put_link(nd); return error; } @@ -2970,8 +2968,6 @@ static int do_last(struct nameidata *nd, error = handle_dots(nd, nd->last_type); if (unlikely(error)) { terminate_walk(nd); - if (nd->depth) - put_link(nd); return error; } goto finish_open; @@ -3170,8 +3166,6 @@ out: mnt_drop_write(nd->path.mnt); path_put(&save_parent); terminate_walk(nd); - if (nd->depth) - put_link(nd); return error; exit_dput: -- 2.1.4
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