WARNING: line length of 85 exceeds 80 columns
#52: FILE: tools/lib/bpf/bpf.c:803:
+		common_attrs.log_buf = (__u64) OPTS_GET(opts, tracing.log_buf, NULL);

CHECK: No space is necessary after a cast
#52: FILE: tools/lib/bpf/bpf.c:803:
+		common_attrs.log_buf = (__u64) OPTS_GET(opts, tracing.log_buf, NULL);

WARNING: line length of 89 exceeds 80 columns
#54: FILE: tools/lib/bpf/bpf.c:805:
+		if (common_attrs.log_buf && !feat_supported(NULL, FEAT_EXTENDED_SYSCALL))

WARNING: line length of 89 exceeds 80 columns
#65: FILE: tools/lib/bpf/bpf.c:943:
+				   : sys_bpf_fd_extended(BPF_LINK_CREATE, &attr, attr_sz,

WARNING: line length of 94 exceeds 80 columns
#66: FILE: tools/lib/bpf/bpf.c:944:
+							 &common_attrs, sizeof(common_attrs));

WARNING: line length of 81 exceeds 80 columns
#94: FILE: tools/lib/bpf/libbpf.c:12952:
+struct bpf_link *bpf_program__attach_freplace_log(const struct bpf_program *prog,

WARNING: line length of 92 exceeds 80 columns
#120: FILE: tools/lib/bpf/libbpf.c:12996:
+	return bpf_program__attach_freplace_log(prog, target_fd, attach_func_name, NULL, 0);

total: 0 errors, 6 warnings, 1 checks, 99 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 47d2e323d0c1 ("libbpf: Capture error message on freplace attach failure") 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, 6 warnings, 1 checks, 99 lines checked