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authorReshetova, Elena <elena.reshetova@intel.com>2017-07-04 14:53:18 +0200
committerDavid S. Miller <davem@davemloft.net>2017-07-04 23:35:18 +0200
commit6c5a1c4a2afdcc21434b86996b49460f07ee69a3 (patch)
treee4ec47608fcee238c141bb45c2f694e7ada9c484 /net/rds/rds.h
parentnet, rds: convert rds_mr.r_refcount from atomic_t to refcount_t (diff)
downloadlinux-6c5a1c4a2afdcc21434b86996b49460f07ee69a3.tar.xz
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net, rds: convert rds_message.m_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 '')
-rw-r--r--net/rds/rds.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/rds/rds.h b/net/rds/rds.h
index ea72d6e33c14..516bcc89b46f 100644
--- a/net/rds/rds.h
+++ b/net/rds/rds.h
@@ -356,7 +356,7 @@ static inline u32 rds_rdma_cookie_offset(rds_rdma_cookie_t cookie)
#define RDS_MSG_FLUSH 8
struct rds_message {
- atomic_t m_refcount;
+ refcount_t m_refcount;
struct list_head m_sock_item;
struct list_head m_conn_item;
struct rds_incoming m_inc;