WARNING: line length of 93 exceeds 80 columns
#64: FILE: include/linux/bpf.h:2184:
+		if (fentries.links[i]->link.prog->expected_attach_type == BPF_TRACE_FSESSION)

WARNING: line length of 81 exceeds 80 columns
#128: FILE: kernel/bpf/syscall.c:3635:
+			bpf_link_init(&fslink->fexit.link, BPF_LINK_TYPE_TRACING,

WARNING: line length of 81 exceeds 80 columns
#129: FILE: kernel/bpf/syscall.c:3636:
+				      &bpf_tracing_link_lops, prog, attach_type);

WARNING: line length of 81 exceeds 80 columns
#158: FILE: kernel/bpf/trampoline.c:114:
+		 eatype == BPF_MODIFY_RETURN || eatype == BPF_TRACE_FSESSION)) ||

WARNING: line length of 81 exceeds 80 columns
#208: FILE: kernel/bpf/trampoline.c:649:
+		fslink = container_of(link, struct bpf_fsession_link, link.link);

WARNING: line length of 81 exceeds 80 columns
#242: FILE: kernel/bpf/trampoline.c:701:
+		fslink = container_of(link, struct bpf_fsession_link, link.link);

WARNING: line length of 108 exceeds 80 columns
#312: FILE: kernel/bpf/verifier.c:24601:
+		verbose(env, "Attaching fexit/fsession/fmod_ret to __noreturn function '%s' is rejected.\n",

WARNING: From:/Signed-off-by: email address mismatch: 'From: Menglong Dong <menglong8.dong@gmail.com>' != 'Signed-off-by: Menglong Dong <dongml2@chinatelecom.cn>'

total: 0 errors, 8 warnings, 0 checks, 269 lines checked

NOTE: For some of the reported defects, checkpatch may be able to
      mechanically convert to the typical style using --fix or --fix-inplace.

Commit 66d67b6148ba ("bpf: add fsession support") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE FILE_PATH_CHANGES GIT_COMMIT_ID MACRO_ARG_REUSE NO_AUTHOR_SIGN_OFF

NOTE: If any of the errors are false positives, please report
      them to the maintainer, see CHECKPATCH in MAINTAINERS.
total: 0 errors, 8 warnings, 0 checks, 269 lines checked