From 353866cf8f9d2fff89d226598c97dfd33229fe35 Mon Sep 17 00:00:00 2001
From: Lyonel Vincent <lyonel@ezix.org>
Date: Tue, 12 Oct 2021 16:28:35 +0200
Subject: [PATCH 55/65] code clean-up

be more prudent before freeing memory
---
 src/core/usb.cc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/core/usb.cc b/src/core/usb.cc
index da65e10..7074d87 100644
--- a/src/core/usb.cc
+++ b/src/core/usb.cc
@@ -311,6 +311,7 @@ static bool load_usbids(const string & name)
         buffer[linelen-1] = '\0';                 // chop \n
       string line = string(buffer);
       free(buffer);
+      buffer = NULL;
 
       description = NULL;
       t = 0;
@@ -338,6 +339,7 @@ static bool load_usbids(const string & name)
         }
       }
     }
+    if(buffer != NULL) free(buffer);
   }
 
   fclose(usbids);
@@ -393,6 +395,7 @@ bool scan_usb(hwNode & n)
     {
       string line = hw::strip(string(buffer));
       free(buffer);
+      buffer = NULL;
 
       if(line.length()<=0)
       {
@@ -497,6 +500,7 @@ bool scan_usb(hwNode & n)
         }
       }
     }
+    if(buffer != NULL) free(buffer);
   }
   if(defined)
     addUSBChild(n, device, bus, lev, prnt);
-- 
2.33.1