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-rw-r--r--fs/ceph/messenger.c2
-rw-r--r--fs/ceph/msgpool.c4
2 files changed, 6 insertions, 0 deletions
diff --git a/fs/ceph/messenger.c b/fs/ceph/messenger.c
index bf4590c77cf6..781656a49bf8 100644
--- a/fs/ceph/messenger.c
+++ b/fs/ceph/messenger.c
@@ -1954,6 +1954,8 @@ void ceph_con_send(struct ceph_connection *con, struct ceph_msg *msg)
msg->hdr.src.addr = con->msgr->my_enc_addr;
msg->hdr.orig_src = msg->hdr.src;
+ BUG_ON(msg->front.iov_len != le32_to_cpu(msg->hdr.front_len));
+
/* queue */
mutex_lock(&con->mutex);
BUG_ON(!list_empty(&msg->list_head));
diff --git a/fs/ceph/msgpool.c b/fs/ceph/msgpool.c
index 2f04e0fc4666..ca3b44a89f2d 100644
--- a/fs/ceph/msgpool.c
+++ b/fs/ceph/msgpool.c
@@ -166,6 +166,10 @@ void ceph_msgpool_put(struct ceph_msgpool *pool, struct ceph_msg *msg)
{
spin_lock(&pool->lock);
if (pool->num < pool->min) {
+ /* reset msg front_len; user may have changed it */
+ msg->front.iov_len = pool->front_len;
+ msg->hdr.front_len = cpu_to_le32(pool->front_len);
+
kref_set(&msg->kref, 1); /* retake a single ref */
list_add(&msg->list_head, &pool->msgs);
pool->num++;