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| author | Sage Weil | 2010-03-02 00:25:00 +0100 |
|---|---|---|
| committer | Sage Weil | 2010-03-02 00:25:00 +0100 |
| commit | 3ca02ef96e119d36bc1752baeae7dd0c59c2f325 (patch) | |
| tree | 5ef2a149d0f67b3f59fd5c4b168712046f7ce7f2 /fs/ceph/messenger.c | |
| parent | ceph: fix snaptrace decoding on cap migration between mds (diff) | |
| download | kernel-qcow2-linux-3ca02ef96e119d36bc1752baeae7dd0c59c2f325.tar.gz kernel-qcow2-linux-3ca02ef96e119d36bc1752baeae7dd0c59c2f325.tar.xz kernel-qcow2-linux-3ca02ef96e119d36bc1752baeae7dd0c59c2f325.zip | |
ceph: reset front len on return to msgpool; BUG on mismatched front iov
Reset msg front len when a message is returned to the pool: the caller
may have changed it.
BUG if we try to send a message with a hdr.front_len that doesn't match
the front iov.
Signed-off-by: Sage Weil <sage@newdream.net>
Diffstat (limited to 'fs/ceph/messenger.c')
| -rw-r--r-- | fs/ceph/messenger.c | 2 |
1 files changed, 2 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)); |