WARNING: line length of 92 exceeds 80 columns
#51: FILE: include/linux/bpf.h:1787:
+				call_session_cookie:1, /* Do we call bpf_session_cookie() */

WARNING: line length of 83 exceeds 80 columns
#150: FILE: kernel/bpf/verifier.c:22583:
+		 *       u64 off = (((u64 *)ctx)[-1] >> BPF_TRAMP_M_COOKIE) & 0xFF;

WARNING: line length of 84 exceeds 80 columns
#155: FILE: kernel/bpf/verifier.c:22588:
+		insn_buf[1] = BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, BPF_TRAMP_M_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, 4 warnings, 0 checks, 108 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 49c42f19aa25 ("bpf: support fsession for bpf_session_cookie") 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, 4 warnings, 0 checks, 108 lines checked