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authorRichard Yao <ryao@gentoo.org>2013-03-17 12:50:36 -0400
committerRichard Yao <ryao@cs.stonybrook.edu>2013-03-17 12:50:36 -0400
commit788245436d3c9e3fbc84285d60f3b4c40e18c207 (patch)
tree2983d000a6b91e6c6f0877fadc14b47df5e0adee /src/udev/udev-builtin-usb_id.c
parent15cad0e19bc6e79fe70b23b1b0f076ab23d4d7a4 (diff)
parent261132097e647d259c851b32c3c5798fa13cc67a (diff)
Merge remote-tracking branch 'origin/follow-upstream'
Signed-off-by: Richard Yao <ryao@gentoo.org>
Diffstat (limited to 'src/udev/udev-builtin-usb_id.c')
-rw-r--r--src/udev/udev-builtin-usb_id.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/src/udev/udev-builtin-usb_id.c b/src/udev/udev-builtin-usb_id.c
index 13d1226393..ce9ffe7db8 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];
@@ -432,6 +432,17 @@ fallback:
usb_serial = udev_device_get_sysattr_value(dev_usb, "serial");
if (usb_serial) {
+ const unsigned char *p;
+
+ /* http://msdn.microsoft.com/en-us/library/windows/hardware/gg487321.aspx */
+ for (p = (unsigned char *)usb_serial; *p != '\0'; p++)
+ if (*p < 0x20 || *p > 0x7f || *p == ',') {
+ usb_serial = NULL;
+ break;
+ }
+ }
+
+ if (usb_serial) {
util_replace_whitespace(usb_serial, serial_str, sizeof(serial_str)-1);
util_replace_chars(serial_str, NULL);
}