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authorDavid Howells <dhowells@redhat.com>2015-10-21 15:04:48 +0200
committerDavid Howells <dhowells@redhat.com>2015-10-21 16:18:36 +0200
commit146aa8b1453bd8f1ff2304ffb71b4ee0eb9acdcc (patch)
treea89ef2cd2e8029b0c09a58739cca0e7e2e68f4db /security/keys/user_defined.c
parentKEYS: Provide a script to extract a module signature (diff)
downloadlinux-146aa8b1453bd8f1ff2304ffb71b4ee0eb9acdcc.tar.xz
linux-146aa8b1453bd8f1ff2304ffb71b4ee0eb9acdcc.zip
KEYS: Merge the type-specific data with the payload data
Merge the type-specific data with the payload data into one four-word chunk as it seems pointless to keep them separate. Use user_key_payload() for accessing the payloads of overloaded user-defined keys. Signed-off-by: David Howells <dhowells@redhat.com> cc: linux-cifs@vger.kernel.org cc: ecryptfs@vger.kernel.org cc: linux-ext4@vger.kernel.org cc: linux-f2fs-devel@lists.sourceforge.net cc: linux-nfs@vger.kernel.org cc: ceph-devel@vger.kernel.org cc: linux-ima-devel@lists.sourceforge.net
Diffstat (limited to 'security/keys/user_defined.c')
-rw-r--r--security/keys/user_defined.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/security/keys/user_defined.c b/security/keys/user_defined.c
index 36b47bbd3d8c..28cb30f80256 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 +120,7 @@ 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;
+ zap = key->payload.data[0];
rcu_assign_keypointer(key, upayload);
key->expiry = 0;
}
@@ -140,7 +140,7 @@ 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 +158,7 @@ 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 +183,10 @@ 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 */