diff options
| author | Reshetova, Elena <elena.reshetova@intel.com> | 2017-07-04 15:53:31 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-07-04 22:35:19 +0100 |
| commit | b6d52ede224836f74dff50666b6a3076a5b8c92d (patch) | |
| tree | c9e439fb24a3171edd0421ee6f41cd9a974cc4ae /net | |
| parent | 39f25d42c04959f0ddb5b14b01b27ea221736509 (diff) | |
| download | linux-b6d52ede224836f74dff50666b6a3076a5b8c92d.tar.bz2 | |
net, ax25: convert ax25_cb.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')
| -rw-r--r-- | net/ax25/af_ax25.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c index 0c92ba0cbe0b..f3f9d18891de 100644 --- a/net/ax25/af_ax25.c +++ b/net/ax25/af_ax25.c @@ -510,7 +510,7 @@ ax25_cb *ax25_create_cb(void) if ((ax25 = kzalloc(sizeof(*ax25), GFP_ATOMIC)) == NULL) return NULL; - atomic_set(&ax25->refcount, 1); + refcount_set(&ax25->refcount, 1); skb_queue_head_init(&ax25->write_queue); skb_queue_head_init(&ax25->frag_queue); |