From 11f5cf447ce22152027f46494ec5fc58e0f2b6d3 Mon Sep 17 00:00:00 2001
From: Bart Van Assche <bvanassche@acm.org>
Date: Wed, 2 May 2012 09:46:04 +0000
Subject: [PATCH] ib_srpt: Add a comment

git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@4265 d57e44dd-8a1f-0410-8b47-8ef2f437770f
---
 srpt/src/ib_srpt.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/srpt/src/ib_srpt.c b/srpt/src/ib_srpt.c
index d803c55c4..b9172723b 100644
--- a/srpt/src/ib_srpt.c
+++ b/srpt/src/ib_srpt.c
@@ -2223,6 +2223,9 @@ static bool __srpt_close_ch(struct srpt_rdma_ch *ch)
 
 /**
  * srpt_close_ch() - Close an RDMA channel.
+ *
+ * Note: Must be called from inside an IB CM callback since otherwise it's not
+ * guaranteed that ch->cm_id won't be destroyed from another thread.
  */
 static void srpt_close_ch(struct srpt_rdma_ch *ch)
 {