From: Ma Wupeng mawupeng1@huawei.com
Backport the following patch to fix cve CVE-2021-47358.
92dc0b1f46e1 staging: greybus: uart: fix tty use after free
Johan Hovold (1): staging: greybus: uart: fix tty use after free
drivers/staging/greybus/uart.c | 62 ++++++++++++++++++---------------- 1 file changed, 32 insertions(+), 30 deletions(-)