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authorReshetova, Elena <elena.reshetova@intel.com>2017-07-04 15:53:04 +0300
committerDavid S. Miller <davem@davemloft.net>2017-07-04 22:35:16 +0100
commite00bdbefab731638c0764cf1b9b7398bfbf2bd99 (patch)
tree72bc4d11110dff1ada8d38d27cc671687fd92115 /net/atm/mpoa_caches.h
parent937149125448290c5d60da2816556409287750ea (diff)
downloadlinux-stericsson-e00bdbefab731638c0764cf1b9b7398bfbf2bd99.tar.gz
net, atm: convert eg_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.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/atm/mpoa_caches.h b/net/atm/mpoa_caches.h
index 38a4e7e67c0b..30fe34841ced 100644
--- a/net/atm/mpoa_caches.h
+++ b/net/atm/mpoa_caches.h
@@ -59,7 +59,7 @@ typedef struct eg_cache_entry{
uint16_t entry_state;
__be32 latest_ip_addr; /* The src IP address of the last packet */
struct eg_ctrl_info ctrl_info;
- atomic_t use;
+ refcount_t use;
} eg_cache_entry;
struct eg_cache_ops{