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authorReshetova, Elena <elena.reshetova@intel.com>2017-07-04 15:53:02 +0300
committerDavid S. Miller <davem@davemloft.net>2017-07-05 00:35:16 +0300
commit788936641ac8bc92c531f09b79bf44775fac1350 (patch)
tree2e7a55d6a17897f390bfd19612231c7d672e6c33 /net/atm/lec_arpc.h
parent458bc30cec26c2716746ae215ed23773257e417d (diff)
downloadlinux-788936641ac8bc92c531f09b79bf44775fac1350.tar.xz
net, atm: convert lec_arp_table.usage 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/atm/lec_arpc.h')
-rw-r--r--net/atm/lec_arpc.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/atm/lec_arpc.h b/net/atm/lec_arpc.h
index ec67435a40a6..d923f53812a3 100644
--- a/net/atm/lec_arpc.h
+++ b/net/atm/lec_arpc.h
@@ -47,7 +47,7 @@ struct lec_arp_table {
* the length of the tlvs array
*/
struct sk_buff_head tx_wait; /* wait queue for outgoing packets */
- atomic_t usage; /* usage count */
+ refcount_t usage; /* usage count */
};
/*