From d5241e70cdc99093a932a43dfceb6a52b94ce5c0 Mon Sep 17 00:00:00 2001
From: Sean Hefty <sean.hefty@intel.com>
Date: Sat, 13 Apr 2013 13:18:07 -0700
Subject: [PATCH] rdma_cm: Detect recursive calls to rdma_seterrno()

If rdma_seterrno() is called in a recursive fashion, the
result is that errno ends up set to -1.  Fix the original
occurrence of where this occurs and update rdma_seterrno()
to avoid it modifying errno incorrectly.

Problem reported by hookenz@gmail.com.

Signed-off-by: Sean Hefty <sean.hefty@intel.com>
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2.41.0