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authorReshetova, Elena <elena.reshetova@intel.com>2017-07-04 15:53:27 +0300
committerDavid S. Miller <davem@davemloft.net>2017-07-04 22:35:19 +0100
commita4b2b58efd44db68358e1a6b71cf205c795d7ada (patch)
treef1ce6625c75a885d538111e7fc3007545203e186 /include/net/sctp
parente7f027961759f334bcc939980ec35480faa7ef17 (diff)
downloadlinux-stericsson-a4b2b58efd44db68358e1a6b71cf205c795d7ada.tar.gz
net, sctp: convert sctp_transport.refcnt 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 'include/net/sctp')
-rw-r--r--include/net/sctp/structs.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index 0dfc5c14b696..6a0d37258506 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -735,7 +735,7 @@ struct sctp_transport {
struct rhlist_head node;
/* Reference counting. */
- atomic_t refcnt;
+ refcount_t refcnt;
/* RTO-Pending : A flag used to track if one of the DATA
* chunks sent to this address is currently being
* used to compute a RTT. If this flag is 0,