WARNING: line length of 90 exceeds 80 columns
#41: FILE: tools/include/uapi/linux/bpf.h:1762:
+				__aligned_u64	log_buf;	/* user supplied buffer */

WARNING: line length of 89 exceeds 80 columns
#42: FILE: tools/include/uapi/linux/bpf.h:1763:
+				__u32		log_size;	/* size of user buffer */

WARNING: line length of 98 exceeds 80 columns
#63: FILE: tools/lib/bpf/bpf.c:756:
+		attr.link_create.tracing.log_buf = ptr_to_u64(OPTS_GET(opts, tracing.log_buf, 0));

WARNING: line length of 88 exceeds 80 columns
#64: FILE: tools/lib/bpf/bpf.c:757:
+		attr.link_create.tracing.log_size = OPTS_GET(opts, tracing.log_size, 0);

CHECK: spaces preferred around that '-' (ctx:VxV)
#116: FILE: tools/lib/bpf/libbpf.c:12874:
+			log_buf[sizeof(log_buf)-1] = '\0';
 			                       ^

CHECK: spaces preferred around that '-' (ctx:VxV)
#117: FILE: tools/lib/bpf/libbpf.c:12875:
+			log_buf[sizeof(log_buf)-2] = '\n';
 			                       ^

WARNING: line length of 82 exceeds 80 columns
#118: FILE: tools/lib/bpf/libbpf.c:12876:
+			pr_warn("prog '%s': attach log: %s", prog->name, log_buf);

total: 0 errors, 5 warnings, 2 checks, 68 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 5074dfc8846b ("bpf, libbpf: Capture and log freplace attachment 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, 5 warnings, 2 checks, 68 lines checked