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authorReshetova, Elena <elena.reshetova@intel.com>2017-07-04 15:53:30 +0300
committerDavid S. Miller <davem@davemloft.net>2017-07-04 22:35:19 +0100
commit39f25d42c04959f0ddb5b14b01b27ea221736509 (patch)
treed4750770cd0abc22cc98669a8a734673a84b5424 /net/ax25
parent07f2282fc6a169980b08cedf3beaf8334b7b9dde (diff)
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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.c2
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;