ceph: have get_authorizer methods return pointers
Have the get_authorizer auth_client method return a ceph_auth
pointer rather than an integer, pointer-encoding any returned
error value. This is to pave the way for making use of the
returned value in an upcoming patch.
Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Sage Weil <sage@inktank.com>
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 4622817..67938a9 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -3395,15 +3395,20 @@
/*
* authentication
*/
-static int get_authorizer(struct ceph_connection *con,
- void **buf, int *len, int *proto,
- void **reply_buf, int *reply_len, int force_new)
+
+/*
+ * Note: returned pointer is the address of a structure that's
+ * managed separately. Caller must *not* attempt to free it.
+ */
+static struct ceph_auth_handshake *get_authorizer(struct ceph_connection *con,
+ void **buf, int *len, int *proto,
+ void **reply_buf, int *reply_len,
+ int force_new)
{
struct ceph_mds_session *s = con->private;
struct ceph_mds_client *mdsc = s->s_mdsc;
struct ceph_auth_client *ac = mdsc->fsc->client->monc.auth;
struct ceph_auth_handshake *auth = &s->s_auth;
- int ret = 0;
if (force_new && auth->authorizer) {
if (ac->ops && ac->ops->destroy_authorizer)
@@ -3411,9 +3416,10 @@
auth->authorizer = NULL;
}
if (!auth->authorizer && ac->ops && ac->ops->create_authorizer) {
- ret = ac->ops->create_authorizer(ac, CEPH_ENTITY_TYPE_MDS, auth);
+ int ret = ac->ops->create_authorizer(ac, CEPH_ENTITY_TYPE_MDS,
+ auth);
if (ret)
- return ret;
+ return ERR_PTR(ret);
}
*proto = ac->protocol;
@@ -3422,7 +3428,7 @@
*reply_buf = auth->authorizer_reply_buf;
*reply_len = auth->authorizer_reply_buf_len;
- return 0;
+ return auth;
}
