lshw/SOURCES/0055-code-clean-up.patch

50 lines
1.2 KiB
Diff

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