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| author | Reshetova, Elena <elena.reshetova@intel.com> | 2017-07-04 15:52:58 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-07-04 22:35:15 +0100 |
| commit | f00c854c965fd7197c9ac0f59d823ca0a909e33b (patch) | |
| tree | 032868128119ee633825680a74ade30c1a029a36 /net/l2tp/l2tp_core.c | |
| parent | fbea9e0760bf17e681b9bfc25b97b408708b9ff2 (diff) | |
| download | linux-f00c854c965fd7197c9ac0f59d823ca0a909e33b.tar.gz linux-f00c854c965fd7197c9ac0f59d823ca0a909e33b.tar.bz2 linux-f00c854c965fd7197c9ac0f59d823ca0a909e33b.zip | |
net, l2tp: convert l2tp_session.ref_count from atomic_t to refcount_t
refcount_t type and corresponding API should be
used instead of atomic_t when the variable is used as
a reference counter. This allows to avoid accidental
refcounter overflows that might lead to use-after-free
situations.
Signed-off-by: Elena Reshetova <elena.reshetova@intel.com>
Signed-off-by: Hans Liljestrand <ishkamiel@gmail.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David Windsor <dwindsor@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/l2tp/l2tp_core.c')
| -rw-r--r-- | net/l2tp/l2tp_core.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c index 203c4aa3e916..b0c2d4ae781d 100644 --- a/net/l2tp/l2tp_core.c +++ b/net/l2tp/l2tp_core.c @@ -1854,7 +1854,7 @@ struct l2tp_session *l2tp_session_create(int priv_size, struct l2tp_tunnel *tunn /* Bump the reference count. The session context is deleted * only when this drops to zero. */ - l2tp_session_inc_refcount(session); + refcount_set(&session->ref_count, 1); l2tp_tunnel_inc_refcount(tunnel); /* Ensure tunnel socket isn't deleted */ |