From 2f530adb04c6fc1d3fcc57eea2ddba28eb49f7fd Mon Sep 17 00:00:00 2001
From: nimlgen <138685161+nimlgen@users.noreply.github.com>
Date: Wed, 8 Jan 2025 10:43:59 +0300
Subject: [PATCH] hwiface: close fd when valid (#8530)

---
 tinygrad/runtime/support/hcq.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tinygrad/runtime/support/hcq.py b/tinygrad/runtime/support/hcq.py
index 3b39f605b3..bdd78a75c1 100644
--- a/tinygrad/runtime/support/hcq.py
+++ b/tinygrad/runtime/support/hcq.py
@@ -15,7 +15,8 @@ class HWInterface:
   def __init__(self, path:str="", flags:int=os.O_RDONLY, fd:int|None=None):
     self.path:str = path
     self.fd:int = fd or os.open(path, flags)
-  def __del__(self): os.close(self.fd)
+  def __del__(self):
+    if hasattr(self, 'fd'): os.close(self.fd)
   def ioctl(self, request, arg): return fcntl.ioctl(self.fd, request, arg)
   def mmap(self, start, sz, prot, flags, offset): return libc.mmap(start, sz, prot, flags, self.fd, offset)
   def read(self, size=None, binary=False):