From af03ab142de8c68ad56a829e39e8faee9db252d3 Mon Sep 17 00:00:00 2001
From: Frans Kaashoek <kaashoek@31-34-210.wireless.csail.mit.edu>
Date: Fri, 23 Jul 2010 12:52:50 -0400
Subject: a few nits passes all tests on two-processor smp

---
 exec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'exec.c')

diff --git a/exec.c b/exec.c
index 6ded59f..8a92e99 100644
--- a/exec.c
+++ b/exec.c
@@ -102,7 +102,7 @@ exec(char *path, char **argv)
   return 0;
 
  bad:
-  freevm(pgdir);
+  if (pgdir) freevm(pgdir);
   iunlockput(ip);
   return -1;
 }
-- 
cgit v1.2.3