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KEYS: Merge the type-specific data with the payload data

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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
This commit is contained in:
David Howells 2015-10-21 14:04:48 +01:00
parent 4adc605edc
commit 146aa8b145
49 changed files with 286 additions and 230 deletions
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12
security/keys/keyring.c
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@ -118,7 +118,7 @@ static void keyring_publish_name(struct key *keyring)
if (!keyring_name_hash[bucket].next)
INIT_LIST_HEAD(&keyring_name_hash[bucket]);
list_add_tail(&keyring->type_data.link,
list_add_tail(&keyring->name_link,
&keyring_name_hash[bucket]);
write_unlock(&keyring_name_lock);
@ -387,9 +387,9 @@ static void keyring_destroy(struct key *keyring)
if (keyring->description) {
write_lock(&keyring_name_lock);
if (keyring->type_data.link.next != NULL &&
!list_empty(&keyring->type_data.link))
list_del(&keyring->type_data.link);
if (keyring->name_link.next != NULL &&
!list_empty(&keyring->name_link))
list_del(&keyring->name_link);
write_unlock(&keyring_name_lock);
}
@ -572,7 +572,7 @@ static int keyring_search_iterator(const void *object, void *iterator_data)
/* we set a different error code if we pass a negative key */
if (kflags & (1 << KEY_FLAG_NEGATIVE)) {
smp_rmb();
ctx->result = ERR_PTR(key->type_data.reject_error);
ctx->result = ERR_PTR(key->reject_error);
kleave(" = %d [neg]", ctx->skipped_ret);
goto skipped;
}
@ -990,7 +990,7 @@ struct key *find_keyring_by_name(const char *name, bool skip_perm_check)
* that's readable and that hasn't been revoked */
list_for_each_entry(keyring,
&keyring_name_hash[bucket],
type_data.link
name_link
) {
if (!kuid_has_mapping(current_user_ns(), keyring->user->uid))
continue;