WARNING: line length of 93 exceeds 80 columns
#29: FILE: include/linux/bpf.h:1739:
+				call_session_cookie:1, /* Do we call bpf_fsession_cookie() */

WARNING: line length of 81 exceeds 80 columns
#87: FILE: kernel/bpf/verifier.c:22035:
+	} else if (desc->func_id == special_kfunc_list[KF_bpf_fsession_cookie]) {

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, 3 warnings, 0 checks, 83 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 ff5decd937b5 ("bpf: add kfunc bpf_fsession_cookie for TRACING SESSION") 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, 3 warnings, 0 checks, 83 lines checked