diff options
Diffstat (limited to 'net/ceph/messenger.c')
| -rw-r--r-- | net/ceph/messenger.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c index 0f9933a5a8b..6ec6051e167 100644 --- a/net/ceph/messenger.c +++ b/net/ceph/messenger.c @@ -2807,13 +2807,12 @@ static int ceph_con_in_msg_alloc(struct ceph_connection *con, int *skip) int type = le16_to_cpu(hdr->type); int front_len = le32_to_cpu(hdr->front_len); int middle_len = le32_to_cpu(hdr->middle_len); + struct ceph_msg *msg; int ret = 0; BUG_ON(con->in_msg != NULL); if (con->ops->alloc_msg) { - struct ceph_msg *msg; - mutex_unlock(&con->mutex); msg = con->ops->alloc_msg(con, hdr, skip); mutex_lock(&con->mutex); @@ -2838,12 +2837,19 @@ static int ceph_con_in_msg_alloc(struct ceph_connection *con, int *skip) } } if (!con->in_msg) { - con->in_msg = ceph_msg_new(type, front_len, GFP_NOFS, false); - if (!con->in_msg) { + mutex_unlock(&con->mutex); + msg = ceph_msg_new(type, front_len, GFP_NOFS, false); + mutex_lock(&con->mutex); + if (!msg) { pr_err("unable to allocate msg type %d len %d\n", type, front_len); return -ENOMEM; } + if (con->state != CON_STATE_OPEN) { + ceph_msg_put(msg); + return -EAGAIN; + } + con->in_msg = msg; con->in_msg->con = con->ops->get(con); BUG_ON(con->in_msg->con == NULL); con->in_msg->page_alignment = le16_to_cpu(hdr->data_off); |