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authorReshetova, Elena <elena.reshetova@intel.com>2017-07-04 15:53:16 +0300
committerDavid S. Miller <davem@davemloft.net>2017-07-05 00:35:17 +0300
commitb7f0292094cbe31f82f2cd9623c8356cc7cf9566 (patch)
treef05fcb814743c31912391cd559213e89fe88e51a /net/rds/rds.h
parent50d61ff789d728a9b6624582ce28441dc0bf5b42 (diff)
downloadlinux-b7f0292094cbe31f82f2cd9623c8356cc7cf9566.tar.xz
net, rds: convert rds_incoming.i_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 'net/rds/rds.h')
-rw-r--r--net/rds/rds.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/rds/rds.h b/net/rds/rds.h
index 4a25db7075b1..35ceaa2139c3 100644
--- a/net/rds/rds.h
+++ b/net/rds/rds.h
@@ -8,6 +8,7 @@
#include <linux/mutex.h>
#include <linux/rds.h>
#include <linux/rhashtable.h>
+#include <linux/refcount.h>
#include "info.h"
@@ -261,7 +262,7 @@ struct rds_ext_header_rdma_dest {
#define RDS_MSG_RX_CMSG 3
struct rds_incoming {
- atomic_t i_refcount;
+ refcount_t i_refcount;
struct list_head i_item;
struct rds_connection *i_conn;
struct rds_conn_path *i_conn_path;