From: Kay Sievers <kay@vrfy.org>
Date: Sun, 17 Feb 2013 20:16:56 +0000 (+0100)
Subject: udev: usb_id: parse only 'size' bytes of the 'descriptors' buffer
X-Git-Tag: v198~209
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=commitdiff_plain;h=7962afbba9016ea03d9f2987fee341443fcde39d;p=elogind.git

udev: usb_id: parse only 'size' bytes of the 'descriptors' buffer
---

diff --git a/src/udev/udev-builtin-usb_id.c b/src/udev/udev-builtin-usb_id.c
index ee83d4fde..dcb2468bf 100644
--- a/src/udev/udev-builtin-usb_id.c
+++ b/src/udev/udev-builtin-usb_id.c
@@ -189,7 +189,7 @@ static int dev_if_packed_info(struct udev_device *dev, char *ifs_str, size_t len
         pos = 0;
         strpos = 0;
         ifs_str[0] = '\0';
-        while (pos < sizeof(buf) && strpos+7 < len-2) {
+        while (pos < size && strpos+7 < len-2) {
                 struct usb_interface_descriptor *desc;
                 char if_str[8];