WARNING: line length of 116 exceeds 80 columns
#152: FILE: tools/testing/selftests/bpf/prog_tests/prog_tests_framework.c:175:
+				ASSERT_HAS_SUBSTR(env.subtest_state->log_buf, cases[i].expected, "expected output");

WARNING: line length of 99 exceeds 80 columns
#154: FILE: tools/testing/selftests/bpf/prog_tests/prog_tests_framework.c:177:
+				ASSERT_STREQ(env.subtest_state->log_buf, "", "expected no output");

WARNING: line length of 119 exceeds 80 columns
#182: FILE: tools/testing/selftests/bpf/progs/bpf_misc.h:131:
+#define __not_msg(msg)		__attribute__((btf_decl_tag("comment:test_expect_not_msg=" XSTR(__COUNTER__) "=" msg)))

WARNING: line length of 126 exceeds 80 columns
#189: FILE: tools/testing/selftests/bpf/progs/bpf_misc.h:138:
+#define __not_msg_unpriv(msg)	__attribute__((btf_decl_tag("comment:test_expect_not_msg_unpriv=" XSTR(__COUNTER__) "=" msg)))

WARNING: line length of 84 exceeds 80 columns
#260: FILE: tools/testing/selftests/bpf/test_loader.c:244:
+		err = __push_msg(msg->substr, msg->on_next_line, msg->negative, to);

WARNING: line length of 82 exceeds 80 columns
#268: FILE: tools/testing/selftests/bpf/test_loader.c:251:
+static int push_msg(const char *substr, bool negative, struct expected_msgs *msgs)

WARNING: line length of 86 exceeds 80 columns
#293: FILE: tools/testing/selftests/bpf/test_loader.c:480:
+		} else if ((msg = skip_dynamic_pfx(s, TEST_TAG_EXPECT_NOT_MSG_PFX))) {

ERROR: do not use assignment in if condition
#293: FILE: tools/testing/selftests/bpf/test_loader.c:480:
+		} else if ((msg = skip_dynamic_pfx(s, TEST_TAG_EXPECT_NOT_MSG_PFX))) {

WARNING: line length of 93 exceeds 80 columns
#304: FILE: tools/testing/selftests/bpf/test_loader.c:490:
+		} else if ((msg = skip_dynamic_pfx(s, TEST_TAG_EXPECT_NOT_MSG_PFX_UNPRIV))) {

ERROR: do not use assignment in if condition
#304: FILE: tools/testing/selftests/bpf/test_loader.c:490:
+		} else if ((msg = skip_dynamic_pfx(s, TEST_TAG_EXPECT_NOT_MSG_PFX_UNPRIV))) {

WARNING: line length of 99 exceeds 80 columns
#360: FILE: tools/testing/selftests/bpf/test_loader.c:809:
+static void match_positive_msgs(const char *log, struct expected_msgs *msgs, struct match *matches)

WARNING: line length of 99 exceeds 80 columns
#392: FILE: tools/testing/selftests/bpf/test_loader.c:839:
+static void match_negative_msgs(const char *log, struct expected_msgs *msgs, struct match *matches)

WARNING: line length of 89 exceeds 80 columns
#421: FILE: tools/testing/selftests/bpf/test_loader.c:856:
+		for (next_positive = i + 1; next_positive < msgs->cnt; next_positive++) {

total: 2 errors, 11 warnings, 0 checks, 481 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 e46d4cc2d0a8 ("selftests/bpf: __not_msg() tag for test_loader framework") 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.