diff options
| author | Reshetova, Elena <elena.reshetova@intel.com> | 2017-06-30 13:07:55 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-07-01 17:39:07 +0300 |
| commit | 9f23743017d11c103b38d2fa1f64674baeca41cd (patch) | |
| tree | 272ef703abacf82daa5059b911f2a52159734294 /net/decnet | |
| parent | 1cc9a98b59ba92fece1277f76aa43e05f34936a6 (diff) | |
| download | linux-9f23743017d11c103b38d2fa1f64674baeca41cd.tar.xz | |
net: convert neighbour.refcnt 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/decnet')
| -rw-r--r-- | net/decnet/dn_neigh.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/decnet/dn_neigh.c b/net/decnet/dn_neigh.c index eeb5fc561f80..21dedf6fd0f7 100644 --- a/net/decnet/dn_neigh.c +++ b/net/decnet/dn_neigh.c @@ -559,7 +559,7 @@ static inline void dn_neigh_format_entry(struct seq_file *seq, (dn->flags&DN_NDFLAG_R2) ? "2" : "-", (dn->flags&DN_NDFLAG_P3) ? "3" : "-", dn->n.nud_state, - atomic_read(&dn->n.refcnt), + refcount_read(&dn->n.refcnt), dn->blksize, (dn->n.dev) ? dn->n.dev->name : "?"); read_unlock(&n->lock); |