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| author | Reshetova, Elena <elena.reshetova@intel.com> | 2017-07-04 15:53:30 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-07-04 22:35:19 +0100 |
| commit | 39f25d42c04959f0ddb5b14b01b27ea221736509 (patch) | |
| tree | d4750770cd0abc22cc98669a8a734673a84b5424 /net/ax25 | |
| parent | 07f2282fc6a169980b08cedf3beaf8334b7b9dde (diff) | |
| download | linux-stable-39f25d42c04959f0ddb5b14b01b27ea221736509.tar.gz linux-stable-39f25d42c04959f0ddb5b14b01b27ea221736509.tar.bz2 linux-stable-39f25d42c04959f0ddb5b14b01b27ea221736509.zip | |
net, ax25: convert ax25_route.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/ax25')
| -rw-r--r-- | net/ax25/ax25_route.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ax25/ax25_route.c b/net/ax25/ax25_route.c index e1fda27cb27c..0446b892618a 100644 --- a/net/ax25/ax25_route.c +++ b/net/ax25/ax25_route.c @@ -114,7 +114,7 @@ static int __must_check ax25_rt_add(struct ax25_routes_struct *route) return -ENOMEM; } - atomic_set(&ax25_rt->refcount, 1); + refcount_set(&ax25_rt->refcount, 1); ax25_rt->callsign = route->dest_addr; ax25_rt->dev = ax25_dev->dev; ax25_rt->digipeat = NULL; |