Linux 4.19.138

Merge 7 patches from 4.19.138 stable
branch (7 total) beside 0 already merged patches.
Tested-by: NShuah Khan <skhan@linuxfoundation.org>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>

Makefile

 # SPDX-License-Identifier: GPL-2.0
 VERSION = 4
 PATCHLEVEL = 19
-SUBLEVEL = 137
+SUBLEVEL = 138
 EXTRAVERSION =
 NAME = "People's Front"