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| author | Reshetova, Elena <elena.reshetova@intel.com> | 2017-07-04 15:53:11 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-07-04 22:35:17 +0100 |
| commit | af4207494d9c8e089df80e9c1ceac44f2b3e7b53 (patch) | |
| tree | 1577989d23ea6d89972dc02ee3dd9aa18bb97398 /net/netrom/nr_route.c | |
| parent | 16f73c964956e0f78669f1681191093dd030c9ee (diff) | |
| download | linux-af4207494d9c8e089df80e9c1ceac44f2b3e7b53.tar.gz linux-af4207494d9c8e089df80e9c1ceac44f2b3e7b53.tar.bz2 linux-af4207494d9c8e089df80e9c1ceac44f2b3e7b53.zip | |
net, netrom: convert nr_neigh.refcount 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/netrom/nr_route.c')
| -rw-r--r-- | net/netrom/nr_route.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/netrom/nr_route.c b/net/netrom/nr_route.c index d72a4f1558f2..6b72970a0d6a 100644 --- a/net/netrom/nr_route.c +++ b/net/netrom/nr_route.c @@ -149,7 +149,7 @@ static int __must_check nr_add_node(ax25_address *nr, const char *mnemonic, nr_neigh->count = 0; nr_neigh->number = nr_neigh_no++; nr_neigh->failed = 0; - atomic_set(&nr_neigh->refcount, 1); + refcount_set(&nr_neigh->refcount, 1); if (ax25_digi != NULL && ax25_digi->ndigi > 0) { nr_neigh->digipeat = kmemdup(ax25_digi, @@ -431,7 +431,7 @@ static int __must_check nr_add_neigh(ax25_address *callsign, nr_neigh->count = 0; nr_neigh->number = nr_neigh_no++; nr_neigh->failed = 0; - atomic_set(&nr_neigh->refcount, 1); + refcount_set(&nr_neigh->refcount, 1); if (ax25_digi != NULL && ax25_digi->ndigi > 0) { nr_neigh->digipeat = kmemdup(ax25_digi, sizeof(*ax25_digi), |