WARNING: line length of 97 exceeds 80 columns
#53: FILE: tools/testing/selftests/bpf/progs/bpf_misc.h:65:
+#define __regex(regex)		__attribute__((btf_decl_tag("comment:test_expect_regex=" regex)))

WARNING: line length of 104 exceeds 80 columns
#58: FILE: tools/testing/selftests/bpf/progs/bpf_misc.h:70:
+#define __regex_unpriv(regex)	__attribute__((btf_decl_tag("comment:test_expect_regex_unpriv=" regex)))

WARNING: line length of 81 exceeds 80 columns
#126: FILE: tools/testing/selftests/bpf/test_loader.c:116:
+		      (1 + subspec->expect_msg_cnt) * sizeof(struct expect_msg));

WARNING: line length of 81 exceeds 80 columns
#147: FILE: tools/testing/selftests/bpf/test_loader.c:135:
+		      (1 + subspec->expect_msg_cnt) * sizeof(struct expect_msg));

WARNING: line length of 93 exceeds 80 columns
#154: FILE: tools/testing/selftests/bpf/test_loader.c:142:
+	subspec->expect[subspec->expect_msg_cnt].regex = (regex_t *) malloc(sizeof(regex_t));

CHECK: No space is necessary after a cast
#154: FILE: tools/testing/selftests/bpf/test_loader.c:142:
+	subspec->expect[subspec->expect_msg_cnt].regex = (regex_t *) malloc(sizeof(regex_t));

WARNING: space prohibited between function name and open parenthesis '('
#155: FILE: tools/testing/selftests/bpf/test_loader.c:143:
+	regcomp_res = regcomp (subspec->expect[subspec->expect_msg_cnt].regex,

CHECK: spaces preferred around that '|' (ctx:VxV)
#156: FILE: tools/testing/selftests/bpf/test_loader.c:144:
+			       regex_str, REG_EXTENDED|REG_NEWLINE);
 			                              ^

WARNING: line length of 90 exceeds 80 columns
#194: FILE: tools/testing/selftests/bpf/test_loader.c:390:
+			size_t sz = spec->priv.expect_msg_cnt * sizeof(struct expect_msg);

WARNING: line length of 92 exceeds 80 columns
#201: FILE: tools/testing/selftests/bpf/test_loader.c:394:
+				PRINT_FAIL("failed to allocate memory for unpriv.expect\n");

CHECK: Comparison to NULL could be written "!regex"
#225: FILE: tools/testing/selftests/bpf/test_loader.c:466:
+		if (regex == NULL) {

WARNING: line length of 93 exceeds 80 columns
#226: FILE: tools/testing/selftests/bpf/test_loader.c:467:
+			match = strstr(tester->log_buf + tester->next_match_pos, expect_msg);

WARNING: space prohibited between function name and open parenthesis '('
#227: FILE: tools/testing/selftests/bpf/test_loader.c:468:
+			if (!ASSERT_OK_PTR (match, "expect_msg")) {

WARNING: line length of 90 exceeds 80 columns
#228: FILE: tools/testing/selftests/bpf/test_loader.c:469:
+				/* if we are in verbose mode, we've already emitted log */

WARNING: line length of 91 exceeds 80 columns
#230: FILE: tools/testing/selftests/bpf/test_loader.c:471:
+					emit_verifier_log(tester->log_buf, true /*force*/);

WARNING: line length of 96 exceeds 80 columns
#233: FILE: tools/testing/selftests/bpf/test_loader.c:474:
+						"MATCHED  MSG: '%s'\n", subspec->expect[j].msg);

WARNING: line length of 84 exceeds 80 columns
#234: FILE: tools/testing/selftests/bpf/test_loader.c:475:
+				fprintf(stderr, "EXPECTED MSG: '%s'\n", expect_msg);

WARNING: line length of 94 exceeds 80 columns
#237: FILE: tools/testing/selftests/bpf/test_loader.c:478:
+			tester->next_match_pos = match - tester->log_buf + strlen(expect_msg);

WARNING: line length of 116 exceeds 80 columns
#239: FILE: tools/testing/selftests/bpf/test_loader.c:480:
+			int match_size = regexec (regex, tester->log_buf + tester->next_match_pos, 1, reg_match, 0);

WARNING: space prohibited between function name and open parenthesis '('
#239: FILE: tools/testing/selftests/bpf/test_loader.c:480:
+			int match_size = regexec (regex, tester->log_buf + tester->next_match_pos, 1, reg_match, 0);

WARNING: Missing a blank line after declarations
#240: FILE: tools/testing/selftests/bpf/test_loader.c:481:
+			int match_size = regexec (regex, tester->log_buf + tester->next_match_pos, 1, reg_match, 0);
+			if (match_size != 1) {

WARNING: line length of 90 exceeds 80 columns
#241: FILE: tools/testing/selftests/bpf/test_loader.c:482:
+				/* if we are in verbose mode, we've already emitted log */

WARNING: line length of 91 exceeds 80 columns
#243: FILE: tools/testing/selftests/bpf/test_loader.c:484:
+					emit_verifier_log(tester->log_buf, true /*force*/);

WARNING: line length of 98 exceeds 80 columns
#246: FILE: tools/testing/selftests/bpf/test_loader.c:487:
+						"MATCHED  REGEX: '%s'\n", subspec->expect[j].msg);

WARNING: line length of 86 exceeds 80 columns
#247: FILE: tools/testing/selftests/bpf/test_loader.c:488:
+				fprintf(stderr, "EXPECTED REGEX: '%s'\n", expect_msg);

total: 0 errors, 22 warnings, 3 checks, 230 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 54cd449bd433 ("selftests/bpf: Support checks against a regular expression.") 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, 22 warnings, 3 checks, 230 lines checked