[Linux 4.18] SARA: WXP warning while loading 'bpfilter' module

[Mdyrl7777777]

SARA: WXP: can't find path for 'none'. Default flags will be used.
bpfilter: Loaded bpfilter_umh pid 677

# Linux/x86 4.18.2 Kernel Configuration

# Compiler: gcc (GCC) 8.2.0
...
CONFIG_BPFILTER=y
CONFIG_BPFILTER_UMH=m
...
CONFIG_SECURITY_SARA=y
# CONFIG_SECURITY_SARA_DEFAULT_DISABLED is not set
CONFIG_SECURITY_SARA_WXPROT=y
# CONFIG_SECURITY_SARA_WXPROT_DEFAULT_FLAGS_ALL_COMPLAIN_VERBOSE is not set
# CONFIG_SECURITY_SARA_WXPROT_DEFAULT_FLAGS_ALL_ENFORCE_VERBOSE is not set
# CONFIG_SECURITY_SARA_WXPROT_DEFAULT_FLAGS_ALL_ENFORCE is not set
CONFIG_SECURITY_SARA_WXPROT_DEFAULT_FLAGS_NONE=y
CONFIG_SECURITY_SARA_WXPROT_EMUTRAMP=y
# CONFIG_SECURITY_SARA_WXPROT_XATTRS_ENABLED is not set
# CONFIG_SECURITY_SARA_WXPROT_DISABLED is not set
CONFIG_SECURITY_SARA_WXPROT_DEFAULT_FLAGS=0