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authorAlex Elder <elder@inktank.com>2012-05-16 15:16:39 -0500
committerAlex Elder <elder@dreamhost.com>2012-05-17 08:18:13 -0500
commita3530df33eb91d787d08c7383a0a9982690e42d0 (patch)
tree3022fc82ea661654bfca48fae32a7a1584dba1e8 /fs/ceph
parenta255651d4cad89f1a606edd36135af892ada4f20 (diff)
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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>
Diffstat (limited to 'fs/ceph')
-rw-r--r--fs/ceph/mds_client.c20
1 files changed, 13 insertions, 7 deletions
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 462281742aef..67938a9d049b 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -3395,15 +3395,20 @@ out:
/*
* 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 @@ static int get_authorizer(struct ceph_connection *con,
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 @@ static int get_authorizer(struct ceph_connection *con,
*reply_buf = auth->authorizer_reply_buf;
*reply_len = auth->authorizer_reply_buf_len;
- return 0;
+ return auth;
}