bpf: Replace PTR_TO_XXX_OR_NULL with PTR_TO_XXX | PTR_MAYBE_NULL
-rw-r--r-- 17019 .clang-format
-rw-r--r-- 59 .cocciconfig
-rw-r--r-- 71 .get_maintainer.ignore
-rw-r--r-- 62 .gitattributes
-rw-r--r-- 1959 .gitignore
-rw-r--r-- 20412 .mailmap
-rw-r--r-- 496 COPYING
-rw-r--r-- 100996 CREDITS
drwxr-xr-x - Documentation
-rw-r--r-- 1327 Kbuild
-rw-r--r-- 555 Kconfig
drwxr-xr-x - LICENSES
-rw-r--r-- 620587 MAINTAINERS
-rw-r--r-- 65579 Makefile
-rw-r--r-- 727 README
drwxr-xr-x - arch
drwxr-xr-x - block
drwxr-xr-x - certs
drwxr-xr-x - crypto
drwxr-xr-x - drivers
drwxr-xr-x - fs
drwxr-xr-x - include
drwxr-xr-x - init
drwxr-xr-x - ipc
drwxr-xr-x - kernel
drwxr-xr-x - lib
drwxr-xr-x - mm
drwxr-xr-x - net
drwxr-xr-x - samples
drwxr-xr-x - scripts
drwxr-xr-x - security
drwxr-xr-x - sound
drwxr-xr-x - tools
drwxr-xr-x - usr
drwxr-xr-x - virt