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| author | Reshetova, Elena <elena.reshetova@intel.com> | 2017-07-04 15:53:19 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-07-04 22:35:18 +0100 |
| commit | 5f9ccf6f38a1cfbaf6920b843c09d4e847a89e98 (patch) | |
| tree | bf2bb3b4abd4359fc19ed9870cef7f82ab617523 /net/x25 | |
| parent | 6c5a1c4a2afdcc21434b86996b49460f07ee69a3 (diff) | |
| download | lwn-5f9ccf6f38a1cfbaf6920b843c09d4e847a89e98.tar.gz lwn-5f9ccf6f38a1cfbaf6920b843c09d4e847a89e98.zip | |
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.c | 2 |
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; |