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authorReshetova, Elena <elena.reshetova@intel.com>2017-07-04 15:53:29 +0300
committerDavid S. Miller <davem@davemloft.net>2017-07-04 22:35:19 +0100
commit07f2282fc6a169980b08cedf3beaf8334b7b9dde (patch)
treee6db91bac91587f72cc2642dfbe111b684863106 /net/ax25
parentc638457a7c6b8931cd4586d6a13a33887185342d (diff)
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net, ax25: convert ax25_uid_assoc.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/ax25')
-rw-r--r--net/ax25/ax25_uid.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ax25/ax25_uid.c b/net/ax25/ax25_uid.c
index 0403b0def7e6..83b035f56202 100644
--- a/net/ax25/ax25_uid.c
+++ b/net/ax25/ax25_uid.c
@@ -107,7 +107,7 @@ int ax25_uid_ioctl(int cmd, struct sockaddr_ax25 *sax)
if ((ax25_uid = kmalloc(sizeof(*ax25_uid), GFP_KERNEL)) == NULL)
return -ENOMEM;
- atomic_set(&ax25_uid->refcount, 1);
+ refcount_set(&ax25_uid->refcount, 1);
ax25_uid->uid = sax25_kuid;
ax25_uid->call = sax->sax25_call;