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author | David Howells <dhowells@redhat.com> | 2019-05-30 11:37:39 +0100 |
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committer | David Howells <dhowells@redhat.com> | 2019-05-30 22:30:55 +0100 |
commit | df593ee23e05cdda16c8c995e5818779431bb29f (patch) | |
tree | 1abe20cf6ac343d4b0f92756c19ad1b6b7a70a65 /security/keys/internal.h | |
parent | keys: Break bits out of key_unlink() (diff) | |
download | linux-dev-df593ee23e05cdda16c8c995e5818779431bb29f.tar.xz linux-dev-df593ee23e05cdda16c8c995e5818779431bb29f.zip |
keys: Hoist locking out of __key_link_begin()
Hoist the locking of out of __key_link_begin() and into its callers. This
is necessary to allow the upcoming key_move() operation to correctly order
taking of the source keyring semaphore, the destination keyring semaphore
and the keyring serialisation lock.
Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'security/keys/internal.h')
-rw-r--r-- | security/keys/internal.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/security/keys/internal.h b/security/keys/internal.h index 8f533c81aa8d..25cdd0cbdc06 100644 --- a/security/keys/internal.h +++ b/security/keys/internal.h @@ -93,6 +93,8 @@ extern wait_queue_head_t request_key_conswq; extern struct key_type *key_type_lookup(const char *type); extern void key_type_put(struct key_type *ktype); +extern int __key_link_lock(struct key *keyring, + const struct keyring_index_key *index_key); extern int __key_link_begin(struct key *keyring, const struct keyring_index_key *index_key, struct assoc_array_edit **_edit); |