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Guard serial_number access in usbhid_open() to avoid sigfault

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Stefan Rueger
2024-05-27 16:19:05 +01:00
parent a3e4c8083e
commit e0a5d47bbe
1 changed files with 7 additions and 7 deletions
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14
src/usb_hidapi.c
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@@ -97,14 +97,14 @@ static int usbhid_open(const char *port, union pinfo pinfo, union filedescriptor
walk = list;
while (walk) {
pmsg_notice("usbhid_open(): found %ls, serno: %ls\n", walk->product_string, walk->serial_number);
size_t slen = wcslen(walk->serial_number);
if (slen >= serlen && wcscmp(walk->serial_number + slen - serlen, wserno) == 0)
{
/* Found matching serial number */
break;
if(walk->serial_number) {
pmsg_notice("usbhid_open(): found %ls, serno: %ls\n", walk->product_string, walk->serial_number);
size_t slen = wcslen(walk->serial_number);
// Found matching serial number?
if (slen >= serlen && wcscmp(walk->serial_number + slen - serlen, wserno) == 0)
break;
pmsg_debug("usbhid_open(): serial number does not match\n");
}
pmsg_debug("usbhid_open(): serial number does not match\n");
walk = walk->next;
}
if (walk == NULL) {