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authorReshetova, Elena <elena.reshetova@intel.com>2017-07-04 15:53:19 +0300
committerDavid S. Miller <davem@davemloft.net>2017-07-05 00:35:18 +0300
commit5f9ccf6f38a1cfbaf6920b843c09d4e847a89e98 (patch)
treebf2bb3b4abd4359fc19ed9870cef7f82ab617523 /net/x25
parent6c5a1c4a2afdcc21434b86996b49460f07ee69a3 (diff)
downloadlinux-5f9ccf6f38a1cfbaf6920b843c09d4e847a89e98.tar.xz
net, x25: convert x25_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/x25')
-rw-r--r--net/x25/x25_route.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/x25/x25_route.c b/net/x25/x25_route.c
index 277c8d2448d6..b85b889596e5 100644
--- a/net/x25/x25_route.c
+++ b/net/x25/x25_route.c
@@ -55,7 +55,7 @@ static int x25_add_route(struct x25_address *address, unsigned int sigdigits,
rt->sigdigits = sigdigits;
rt->dev = dev;
- atomic_set(&rt->refcnt, 1);
+ refcount_set(&rt->refcnt, 1);
list_add(&rt->node, &x25_route_list);
rc = 0;