[patch -next] libceph: fix NULL dereference in reset_connection()

[Dan Carpenter]

We dereference "con->in_msg" on the line after it was set to NULL.

Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>

diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index 5e9f61d..6aa671c 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -437,10 +437,10 @@ static void reset_connection(struct ceph_connection *con)
 
        if (con->in_msg) {
                BUG_ON(con->in_msg->con != con);
+               ceph_con_put(con->in_msg->con);
                con->in_msg->con = NULL;
                ceph_msg_put(con->in_msg);
                con->in_msg = NULL;
-               ceph_con_put(con->in_msg->con);
        }
 
        con->connect_seq = 0;
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