diff options
| author | Reshetova, Elena <elena.reshetova@intel.com> | 2017-07-04 15:53:10 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-07-04 22:35:17 +0100 |
| commit | 16f73c964956e0f78669f1681191093dd030c9ee (patch) | |
| tree | 69006e3034abb570b6d8edda51ae3523b40f77ed /net/ipx | |
| parent | d25189ca8665e3ed493c7bc0607e62c2fcb314ad (diff) | |
| download | lwn-16f73c964956e0f78669f1681191093dd030c9ee.tar.gz lwn-16f73c964956e0f78669f1681191093dd030c9ee.zip | |
net, ipx: convert ipx_route.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/ipx')
| -rw-r--r-- | net/ipx/ipx_route.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipx/ipx_route.c b/net/ipx/ipx_route.c index 3e2a32a9f3bd..b5d91447f3dc 100644 --- a/net/ipx/ipx_route.c +++ b/net/ipx/ipx_route.c @@ -59,7 +59,7 @@ int ipxrtr_add_route(__be32 network, struct ipx_interface *intrfc, if (!rt) goto out; - atomic_set(&rt->refcnt, 1); + refcount_set(&rt->refcnt, 1); ipxrtr_hold(rt); write_lock_bh(&ipx_routes_lock); list_add(&rt->node, &ipx_routes); |