Description: drivers: tty: vcc: Fix use-after-free in vcc_open()
References:
 https://lore.kernel.org/lkml/20230102010528.2868403-1-yoochan1026@gmail.com/
Notes:
 carnil> CONFIG_VCC depends on CONFIG_SUN_LDOMS. CONFIG_SUN_LDOMS is
 carnil> SPARC64 only.
 bwh> Introduced in 4.14 by commit 5d171050e28f "sparc64: vcc: Enable
 bwh> VCC port probe and removal".
Bugs:
upstream: needed
6.1-upstream-stable: needed
5.10-upstream-stable: needed
4.19-upstream-stable: needed
sid: needed
6.1-bookworm-security: needed
5.10-bullseye-security: needed
4.19-buster-security: N/A "sparc64 not supported in LTS"