From 387e54a5804653c4c4a22d958f05b4f91277a552 Mon Sep 17 00:00:00 2001
From: Andrew Waterman <andrew@sifive.com>
Date: Sun, 9 Jan 2022 18:58:03 -0800
Subject: fix file leak

Eliminate excess reference count when associating fd with file.

Fixes #258
---
 pk/syscall.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pk/syscall.c b/pk/syscall.c
index 03eee27..f8d2157 100644
--- a/pk/syscall.c
+++ b/pk/syscall.c
@@ -145,8 +145,8 @@ int sys_openat(int dirfd, const char* name, int flags, int mode)
       return PTR_ERR(file);
 
     int fd = file_dup(file);
+    file_decref(file); // counteract file_dup's file_incref
     if (fd < 0) {
-      file_decref(file);
       return -ENOMEM;
     }
 
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