CHECK: Comparison to NULL could be written "bpf_strchr" CHECK: Comparison to NULL could be written "bpf_strnchr" CHECK: Comparison to NULL could be written "bpf_strnstr" CHECK: Comparison to NULL could be written "bpf_strstr" WARNING: Use of volatile is usually wrong: see Documentation/process/volatile-considered-harmful.rst WARNING: added, moved or deleted file(s), does MAINTAINERS need updating? WARNING: externs should be avoided in .c files WARNING: line length of 81 exceeds 80 columns WARNING: line length of 83 exceeds 80 columns WARNING: line length of 84 exceeds 80 columns WARNING: line length of 87 exceeds 80 columns