==========
checkpatch - FAILED

WARNING: line length of 81 exceeds 80 columns
#32: FILE: tools/testing/selftests/bpf/test_progs.h:189:
+#define DUMP_BUFFER(name, buf, len)						\

CHECK: Macro argument 'len' may be better as '(len)' to avoid precedence issues
#32: FILE: tools/testing/selftests/bpf/test_progs.h:189:
+#define DUMP_BUFFER(name, buf, len)						\
+	({									\
+		fprintf(stdout, "%s:\n", name);					\
+		for (int i = 0; i < len; i++) {					\
+			if (i && !(i % 16))					\
+				fprintf(stdout, "\n");				\
+			if (i && !(i % 8) && (i % 16))				\
+				fprintf(stdout, "\t");				\
+			fprintf(stdout, "%02X ", ((uint8_t *)(buf))[i]);	\
+		}								\
+		fprintf(stdout, "\n");						\
+	})

WARNING: line length of 81 exceeds 80 columns
#33: FILE: tools/testing/selftests/bpf/test_progs.h:190:
+	({									\

WARNING: line length of 81 exceeds 80 columns
#34: FILE: tools/testing/selftests/bpf/test_progs.h:191:
+		fprintf(stdout, "%s:\n", name);					\

WARNING: line length of 81 exceeds 80 columns
#35: FILE: tools/testing/selftests/bpf/test_progs.h:192:
+		for (int i = 0; i < len; i++) {					\

WARNING: line length of 81 exceeds 80 columns
#36: FILE: tools/testing/selftests/bpf/test_progs.h:193:
+			if (i && !(i % 16))					\

WARNING: line length of 81 exceeds 80 columns
#37: FILE: tools/testing/selftests/bpf/test_progs.h:194:
+				fprintf(stdout, "\n");				\

WARNING: line length of 81 exceeds 80 columns
#38: FILE: tools/testing/selftests/bpf/test_progs.h:195:
+			if (i && !(i % 8) && (i % 16))				\

WARNING: line length of 81 exceeds 80 columns
#39: FILE: tools/testing/selftests/bpf/test_progs.h:196:
+				fprintf(stdout, "\t");				\

WARNING: line length of 81 exceeds 80 columns
#40: FILE: tools/testing/selftests/bpf/test_progs.h:197:
+			fprintf(stdout, "%02X ", ((uint8_t *)(buf))[i]);	\

WARNING: line length of 81 exceeds 80 columns
#41: FILE: tools/testing/selftests/bpf/test_progs.h:198:
+		}								\

WARNING: line length of 81 exceeds 80 columns
#42: FILE: tools/testing/selftests/bpf/test_progs.h:199:
+		fprintf(stdout, "\n");						\

ERROR: do not initialise statics to 0
#53: FILE: tools/testing/selftests/bpf/test_progs.h:361:
+	static int duration = 0;					\

total: 1 errors, 11 warnings, 1 checks, 37 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 dc82bf60ce43 ("selftests/bpf: add a macro to compare raw memory") 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.