diff options
| author | Reshetova, Elena <elena.reshetova@intel.com> | 2017-07-04 15:53:03 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-07-04 22:35:16 +0100 |
| commit | 937149125448290c5d60da2816556409287750ea (patch) | |
| tree | 690fad95131beb68ac8b3561e4485ae09f42487f /net/atm/mpoa_caches.h | |
| parent | 788936641ac8bc92c531f09b79bf44775fac1350 (diff) | |
net, atm: convert in_cache_entry.use 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/mpoa_caches.h')
| -rw-r--r-- | net/atm/mpoa_caches.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/net/atm/mpoa_caches.h b/net/atm/mpoa_caches.h index 8e5f78cf0be1..38a4e7e67c0b 100644 --- a/net/atm/mpoa_caches.h +++ b/net/atm/mpoa_caches.h @@ -6,6 +6,7 @@ #include <linux/atm.h> #include <linux/atmdev.h> #include <linux/atmmpc.h> +#include <linux/refcount.h> struct mpoa_client; @@ -25,7 +26,7 @@ typedef struct in_cache_entry { struct atm_vcc *shortcut; uint8_t MPS_ctrl_ATM_addr[ATM_ESA_LEN]; struct in_ctrl_info ctrl_info; - atomic_t use; + refcount_t use; } in_cache_entry; struct in_cache_ops{ |