- int i;
-
- if (!strncmp(psmouse->ps2dev.serio->firmware_id, "PNP:", 4))
- for (i = 0; ids[i]; i++)
- if (strstr(psmouse->ps2dev.serio->firmware_id, ids[i]))
- return true;
+ struct serio *serio = psmouse->ps2dev.serio;
+ char *p, *fw_id_copy, *save_ptr;
+ bool found = false;
+
+ if (strncmp(serio->firmware_id, "PNP: ", 5))
+ return false;
+
+ fw_id_copy = kstrndup(&serio->firmware_id[5],
+ sizeof(serio->firmware_id) - 5,
+ GFP_KERNEL);
+ if (!fw_id_copy)
+ return false;
+
+ save_ptr = fw_id_copy;
+ while ((p = strsep(&fw_id_copy, " ")) != NULL) {
+ if (psmouse_check_pnp_id(p, ids)) {
+ found = true;
+ break;
+ }
+ }