diff options
| -rw-r--r-- | net/ceph/messenger.c | 31 |
1 files changed, 16 insertions, 15 deletions
diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c index 673133e..37fd2ae 100644 --- a/net/ceph/messenger.c +++ b/net/ceph/messenger.c @@ -992,11 +992,12 @@ static int prepare_read_message(struct ceph_connection *con) static int read_partial(struct ceph_connection *con, - int *to, int size, void *object) + int to, int size, void *object) { - *to += size; - while (con->in_base_pos < *to) { - int left = *to - con->in_base_pos; + int end = to + size; + + while (con->in_base_pos < end) { + int left = end - con->in_base_pos; int have = size - left; int ret = ceph_tcp_recvmsg(con->sock, object + have, left); if (ret <= 0) @@ -1017,14 +1018,16 @@ static int read_partial_banner(struct ceph_connection *con) dout("read_partial_banner %p at %d\n", con, con->in_base_pos); /* peer's banner */ - ret = read_partial(con, &to, strlen(CEPH_BANNER), con->in_banner); + ret = read_partial(con, to, strlen(CEPH_BANNER), con->in_banner); if (ret <= 0) goto out; - ret = read_partial(con, &to, sizeof(con->actual_peer_addr), + to += strlen(CEPH_BANNER); + ret = read_partial(con, to, sizeof(con->actual_peer_addr), &con->actual_peer_addr); if (ret <= 0) goto out; - ret = read_partial(con, &to, sizeof(con->peer_addr_for_me), + to += sizeof(con->actual_peer_addr); + ret = read_partial(con, to, sizeof(con->peer_addr_for_me), &con->peer_addr_for_me); if (ret <= 0) goto out; @@ -1038,10 +1041,11 @@ static int read_partial_connect(struct ceph_connection *con) dout("read_partial_connect %p at %d\n", con, con->in_base_pos); - ret = read_partial(con, &to, sizeof(con->in_reply), &con->in_reply); + ret = read_partial(con, to, sizeof(con->in_reply), &con->in_reply); if (ret <= 0) goto out; - ret = read_partial(con, &to, le32_to_cpu(con->in_reply.authorizer_len), + to += sizeof(con->in_reply); + ret = read_partial(con, to, le32_to_cpu(con->in_reply.authorizer_len), con->auth_reply_buf); if (ret <= 0) goto out; @@ -1491,9 +1495,7 @@ static int process_connect(struct ceph_connection *con) */ static int read_partial_ack(struct ceph_connection *con) { - int to = 0; - - return read_partial(con, &to, sizeof(con->in_temp_ack), + return read_partial(con, 0, sizeof(con->in_temp_ack), &con->in_temp_ack); } @@ -1638,8 +1640,7 @@ static int read_partial_message(struct ceph_connection *con) dout("read_partial_message con %p msg %p\n", con, m); /* header */ - to = 0; - ret = read_partial(con, &to, sizeof (con->in_hdr), &con->in_hdr); + ret = read_partial(con, 0, sizeof (con->in_hdr), &con->in_hdr); if (ret <= 0) return ret; @@ -1755,7 +1756,7 @@ static int read_partial_message(struct ceph_connection *con) /* footer */ to = sizeof (m->hdr); - ret = read_partial(con, &to, sizeof (m->footer), &m->footer); + ret = read_partial(con, to, sizeof (m->footer), &m->footer); if (ret <= 0) return ret; |