From 7e6c37e67e6da62e02089fc3292569103b7e94b3 Mon Sep 17 00:00:00 2001
From: Frans Kaashoek <kaashoek@mit.edu>
Date: Tue, 10 Sep 2019 12:30:10 -0400
Subject: Support exit status for exit/wait One test case for returning a exit
 status Passes usertests, but haven't used it to simplify tests

---
 kernel/sysfile.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'kernel/sysfile.c')

diff --git a/kernel/sysfile.c b/kernel/sysfile.c
index 23a9540..5b09d93 100644
--- a/kernel/sysfile.c
+++ b/kernel/sysfile.c
@@ -246,6 +246,7 @@ create(char *path, short type, short major, short minor)
 
   if((dp = nameiparent(path, name)) == 0)
     return 0;
+
   ilock(dp);
 
   if((ip = dirlookup(dp, name, 0)) != 0){
@@ -289,8 +290,9 @@ sys_open(void)
   int fd, omode;
   struct file *f;
   struct inode *ip;
+  int n;
 
-  if(argstr(0, path, MAXPATH) < 0 || argint(1, &omode) < 0)
+  if((n = argstr(0, path, MAXPATH)) < 0 || argint(1, &omode) < 0)
     return -1;
 
   begin_op();
-- 
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