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ceph: return pointer from prepare_connect_authorizer() 

Change prepare_connect_authorizer() so it returns a pointer (or
pointer-coded error).

Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Sage Weil <sage@inktank.com>
This commit is contained in:
Alex Elder 2012-05-16 15:16:39 -05:00 committed by Alex Elder
parent 8f43fb5389
commit 729796be91
1 changed files with 9 additions and 9 deletions
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18
net/ceph/messenger.c
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@ -653,7 +653,7 @@ static void prepare_write_keepalive(struct ceph_connection *con)
* Connection negotiation.
*/
static int prepare_connect_authorizer(struct ceph_connection *con)
static struct ceph_auth_handshake *prepare_connect_authorizer(struct ceph_connection *con)
{
void *auth_buf;
int auth_len;
@ -664,7 +664,7 @@ static int prepare_connect_authorizer(struct ceph_connection *con)
con->out_connect.authorizer_protocol = CEPH_AUTH_UNKNOWN;
con->out_connect.authorizer_len = 0;
return 0;
return NULL;
}
/* Can't hold the mutex while getting authorizer */
@ -677,9 +677,9 @@ static int prepare_connect_authorizer(struct ceph_connection *con)
mutex_lock(&con->mutex);
if (IS_ERR(auth))
return PTR_ERR(auth);
return auth;
if (test_bit(CLOSED, &con->state) || test_bit(OPENING, &con->state))
return -EAGAIN;
return ERR_PTR(-EAGAIN);
auth_buf = auth->authorizer_buf;
auth_len = auth->authorizer_buf_len;
@ -692,7 +692,7 @@ static int prepare_connect_authorizer(struct ceph_connection *con)
if (auth_len)
ceph_con_out_kvec_add(con, auth_len, auth_buf);
return 0;
return auth;
}
/*
@ -712,7 +712,7 @@ static int prepare_write_connect(struct ceph_connection *con)
{
unsigned global_seq = get_global_seq(con->msgr, 0);
int proto;
int ret;
struct ceph_auth_handshake *auth;
switch (con->peer_name.type) {
case CEPH_ENTITY_TYPE_MON:
@ -739,9 +739,9 @@ static int prepare_write_connect(struct ceph_connection *con)
con->out_connect.flags = 0;
ceph_con_out_kvec_add(con, sizeof (con->out_connect), &con->out_connect);
ret = prepare_connect_authorizer(con);
if (ret)
return ret;
auth = prepare_connect_authorizer(con);
if (IS_ERR(auth))
return PTR_ERR(auth);
con->out_more = 0;
set_bit(WRITE_PENDING, &con->state);