From 94f23a6856f0cf2157596129eeda65dff7820446 Mon Sep 17 00:00:00 2001
From: Brian Behlendorf <behlendorf1@llnl.gov>
Date: Mon, 21 Jun 2010 21:26:25 -0700
Subject: [PATCH] Ensure NULL is not returned incorrectly after the first call.

I'm surprised this was not caught long ago, but previous the
code actually never did call the function twice so it was
missed.  Anyway, this fixes it.
---
 lib/libspl/getexecname.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/libspl/getexecname.c b/lib/libspl/getexecname.c
index 43bf39ae33..c564eed055 100644
--- a/lib/libspl/getexecname.c
+++ b/lib/libspl/getexecname.c
@@ -48,6 +48,8 @@ getexecname(void)
 			execname[rc] = '\0';
 			ptr = execname;
 		}
+	} else {
+		ptr = execname;
 	}
 
 	pthread_mutex_unlock(&mtx);