CHECK: Please use a blank line after function/struct/union/enum declarations
#38: FILE: tools/lib/bpf/libbpf.h:1280:
 };
+#define bpf_tc_hook__last_field qdisc

WARNING: line length of 84 exceeds 80 columns
#51: FILE: tools/lib/bpf/netlink.c:532:
+typedef int (*qdisc_config_t)(struct libbpf_nla_req *req, struct bpf_tc_hook *hook);

WARNING: From:/Signed-off-by: email address mismatch: 'From: Amery Hung <ameryhung@gmail.com>' != 'Signed-off-by: Amery Hung <amery.hung@bytedance.com>'

total: 0 errors, 2 warnings, 1 checks, 70 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 4448ab6007ea ("libbpf: Support creating and destroying qdisc") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE 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, 2 warnings, 1 checks, 70 lines checked