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authorReshetova, Elena <elena.reshetova@intel.com>2017-07-04 15:53:06 +0300
committerDavid S. Miller <davem@davemloft.net>2017-07-04 22:35:16 +0100
commitedcd9270be1ba9c80cd0789ffbae7a7d204b7b05 (patch)
tree6c8ff63ac23d3a2c7a7f08b34d4404b1bfe5b88a /include/net
parent2512775985969a3dadb09670701f0c16499ee784 (diff)
downloadlinux-edcd9270be1ba9c80cd0789ffbae7a7d204b7b05.tar.bz2
net, calipso: convert calipso_doi.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 'include/net')
-rw-r--r--include/net/calipso.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/net/calipso.h b/include/net/calipso.h
index b1b30cd36601..5f95b11a04bf 100644
--- a/include/net/calipso.h
+++ b/include/net/calipso.h
@@ -38,7 +38,7 @@
#include <linux/skbuff.h>
#include <net/netlabel.h>
#include <net/request_sock.h>
-#include <linux/atomic.h>
+#include <linux/refcount.h>
#include <asm/unaligned.h>
/* known doi values */
@@ -57,7 +57,7 @@ struct calipso_doi {
u32 doi;
u32 type;
- atomic_t refcount;
+ refcount_t refcount;
struct list_head list;
struct rcu_head rcu;
};