CVE-2026-23337 pinctrl: pinconf-generic: Fix memory leak in pinconf_generic_parse_dt_config()

In the Linux kernel, the following vulnerability has been resolved: pinctrl: pinconf-generic: Fix memory leak in pinconfgenericparsedtconfig In pinconfgenericparsedtconfig, if parsedtcfg fails, it returns directly. This bypasses the cleanup logic and results in a memory leak of the cfg buffer. Fi...