diff options
author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-12-21 03:14:03 +0100 |
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committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-12-21 03:14:03 +0100 |
commit | e219aafe50fd546b8686582ddbafd24c3c2eda04 (patch) | |
tree | a665e08ca8d42f20ac8e5dcc8565d666cffb26bd /security/keys/user_defined.c | |
parent | ffe12855a5f7f195589130197558e6a5c276caa4 (diff) | |
parent | 24c96dc79c5e76d3cff7a33f955a4d3244644766 (diff) |
Merge back earlier 'pm-domains' material for v4.5.
Diffstat (limited to 'security/keys/user_defined.c')
-rw-r--r-- | security/keys/user_defined.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/security/keys/user_defined.c b/security/keys/user_defined.c index 36b47bbd3d8cc..8705d79b2c6f2 100644 --- a/security/keys/user_defined.c +++ b/security/keys/user_defined.c @@ -74,7 +74,7 @@ int user_preparse(struct key_preparsed_payload *prep) /* attach the data */ prep->quotalen = datalen; - prep->payload[0] = upayload; + prep->payload.data[0] = upayload; upayload->datalen = datalen; memcpy(upayload->data, prep->data, datalen); return 0; @@ -86,7 +86,7 @@ EXPORT_SYMBOL_GPL(user_preparse); */ void user_free_preparse(struct key_preparsed_payload *prep) { - kfree(prep->payload[0]); + kfree(prep->payload.data[0]); } EXPORT_SYMBOL_GPL(user_free_preparse); @@ -120,7 +120,10 @@ int user_update(struct key *key, struct key_preparsed_payload *prep) if (ret == 0) { /* attach the new data, displacing the old */ - zap = key->payload.data; + if (!test_bit(KEY_FLAG_NEGATIVE, &key->flags)) + zap = key->payload.data[0]; + else + zap = NULL; rcu_assign_keypointer(key, upayload); key->expiry = 0; } @@ -140,7 +143,7 @@ EXPORT_SYMBOL_GPL(user_update); */ void user_revoke(struct key *key) { - struct user_key_payload *upayload = key->payload.data; + struct user_key_payload *upayload = key->payload.data[0]; /* clear the quota */ key_payload_reserve(key, 0); @@ -158,7 +161,7 @@ EXPORT_SYMBOL(user_revoke); */ void user_destroy(struct key *key) { - struct user_key_payload *upayload = key->payload.data; + struct user_key_payload *upayload = key->payload.data[0]; kfree(upayload); } @@ -183,10 +186,10 @@ EXPORT_SYMBOL_GPL(user_describe); */ long user_read(const struct key *key, char __user *buffer, size_t buflen) { - struct user_key_payload *upayload; + const struct user_key_payload *upayload; long ret; - upayload = rcu_dereference_key(key); + upayload = user_key_payload(key); ret = upayload->datalen; /* we can return the data as is */ |