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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2017-09-04 09:22:54 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2017-09-04 09:22:54 -0700
commita6cbfa1e6d38c4b3ab0ce7e3aea4bb4e744f24b8 (patch)
tree8960e571a398b5d32e72bdb9c89ce965daa870ab /security/keys/user_defined.c
parentf5308d1b83eba20e69df5e0926ba7257c8dd9074 (diff)
parent08d6ac9ee5fedd82040bc878705981b67a116a3f (diff)
downloadlinux-a6cbfa1e6d38c4b3ab0ce7e3aea4bb4e744f24b8.tar.gz
linux-a6cbfa1e6d38c4b3ab0ce7e3aea4bb4e744f24b8.tar.xz
Merge branch 'next' into for-linus
Prepare input updates for 4.14 merge window.
Diffstat (limited to 'security/keys/user_defined.c')
-rw-r--r--security/keys/user_defined.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/security/keys/user_defined.c b/security/keys/user_defined.c
index 26605134f17a..3d8c68eba516 100644
--- a/security/keys/user_defined.c
+++ b/security/keys/user_defined.c
@@ -86,10 +86,18 @@ EXPORT_SYMBOL_GPL(user_preparse);
*/
void user_free_preparse(struct key_preparsed_payload *prep)
{
- kfree(prep->payload.data[0]);
+ kzfree(prep->payload.data[0]);
}
EXPORT_SYMBOL_GPL(user_free_preparse);
+static void user_free_payload_rcu(struct rcu_head *head)
+{
+ struct user_key_payload *payload;
+
+ payload = container_of(head, struct user_key_payload, rcu);
+ kzfree(payload);
+}
+
/*
* update a user defined key
* - the key's semaphore is write-locked
@@ -112,7 +120,7 @@ int user_update(struct key *key, struct key_preparsed_payload *prep)
prep->payload.data[0] = NULL;
if (zap)
- kfree_rcu(zap, rcu);
+ call_rcu(&zap->rcu, user_free_payload_rcu);
return ret;
}
EXPORT_SYMBOL_GPL(user_update);
@@ -130,7 +138,7 @@ void user_revoke(struct key *key)
if (upayload) {
rcu_assign_keypointer(key, NULL);
- kfree_rcu(upayload, rcu);
+ call_rcu(&upayload->rcu, user_free_payload_rcu);
}
}
@@ -143,7 +151,7 @@ void user_destroy(struct key *key)
{
struct user_key_payload *upayload = key->payload.data[0];
- kfree(upayload);
+ kzfree(upayload);
}
EXPORT_SYMBOL_GPL(user_destroy);