WARNING: line length of 99 exceeds 80 columns
#56: FILE: tools/testing/selftests/bpf/progs/bpf_misc.h:133:
+#define __test_tag(tag)		__attribute__((btf_decl_tag("comment:" XSTR(__COUNTER__) ":" tag)))

WARNING: line length of 82 exceeds 80 columns
#91: FILE: tools/testing/selftests/bpf/progs/bpf_misc.h:160:
+#define __caps_unpriv(caps)	__test_tag("test_caps_unpriv=" EXPAND_QUOTE(caps))

WARNING: line length of 97 exceeds 80 columns
#234: FILE: tools/testing/selftests/bpf/test_loader.c:380:
+		if (!btf_is_decl_tag(t) || t->type != id || btf_decl_tag(t)->component_idx != -1)

ERROR: do not use assignment in if condition
#295: FILE: tools/testing/selftests/bpf/test_loader.c:498:
+		} else if ((msg = str_has_pfx(s, TEST_TAG_EXPECT_MSG_PFX))) {

WARNING: line length of 81 exceeds 80 columns
#301: FILE: tools/testing/selftests/bpf/test_loader.c:503:
+		} else if ((msg = str_has_pfx(s, TEST_TAG_EXPECT_NOT_MSG_PFX))) {

ERROR: do not use assignment in if condition
#301: FILE: tools/testing/selftests/bpf/test_loader.c:503:
+		} else if ((msg = str_has_pfx(s, TEST_TAG_EXPECT_NOT_MSG_PFX))) {

WARNING: line length of 84 exceeds 80 columns
#307: FILE: tools/testing/selftests/bpf/test_loader.c:508:
+		} else if ((msg = str_has_pfx(s, TEST_TAG_EXPECT_MSG_PFX_UNPRIV))) {

ERROR: do not use assignment in if condition
#307: FILE: tools/testing/selftests/bpf/test_loader.c:508:
+		} else if ((msg = str_has_pfx(s, TEST_TAG_EXPECT_MSG_PFX_UNPRIV))) {

WARNING: line length of 88 exceeds 80 columns
#313: FILE: tools/testing/selftests/bpf/test_loader.c:513:
+		} else if ((msg = str_has_pfx(s, TEST_TAG_EXPECT_NOT_MSG_PFX_UNPRIV))) {

ERROR: do not use assignment in if condition
#313: FILE: tools/testing/selftests/bpf/test_loader.c:513:
+		} else if ((msg = str_has_pfx(s, TEST_TAG_EXPECT_NOT_MSG_PFX_UNPRIV))) {

ERROR: do not use assignment in if condition
#319: FILE: tools/testing/selftests/bpf/test_loader.c:518:
+		} else if ((msg = str_has_pfx(s, TEST_TAG_JITED_PFX))) {

ERROR: do not use assignment in if condition
#328: FILE: tools/testing/selftests/bpf/test_loader.c:530:
+		} else if ((msg = str_has_pfx(s, TEST_TAG_JITED_PFX_UNPRIV))) {

ERROR: do not use assignment in if condition
#337: FILE: tools/testing/selftests/bpf/test_loader.c:542:
+		} else if ((msg = str_has_pfx(s, TEST_TAG_EXPECT_XLATED_PFX))) {

WARNING: line length of 87 exceeds 80 columns
#344: FILE: tools/testing/selftests/bpf/test_loader.c:548:
+		} else if ((msg = str_has_pfx(s, TEST_TAG_EXPECT_XLATED_PFX_UNPRIV))) {

ERROR: do not use assignment in if condition
#344: FILE: tools/testing/selftests/bpf/test_loader.c:548:
+		} else if ((msg = str_has_pfx(s, TEST_TAG_EXPECT_XLATED_PFX_UNPRIV))) {

ERROR: do not use assignment in if condition
#353: FILE: tools/testing/selftests/bpf/test_loader.c:631:
+		} else if ((msg = str_has_pfx(s, TEST_TAG_EXPECT_STDERR_PFX))) {

WARNING: line length of 87 exceeds 80 columns
#359: FILE: tools/testing/selftests/bpf/test_loader.c:636:
+		} else if ((msg = str_has_pfx(s, TEST_TAG_EXPECT_STDERR_PFX_UNPRIV))) {

ERROR: do not use assignment in if condition
#359: FILE: tools/testing/selftests/bpf/test_loader.c:636:
+		} else if ((msg = str_has_pfx(s, TEST_TAG_EXPECT_STDERR_PFX_UNPRIV))) {

ERROR: do not use assignment in if condition
#365: FILE: tools/testing/selftests/bpf/test_loader.c:641:
+		} else if ((msg = str_has_pfx(s, TEST_TAG_EXPECT_STDOUT_PFX))) {

WARNING: line length of 87 exceeds 80 columns
#371: FILE: tools/testing/selftests/bpf/test_loader.c:646:
+		} else if ((msg = str_has_pfx(s, TEST_TAG_EXPECT_STDOUT_PFX_UNPRIV))) {

ERROR: do not use assignment in if condition
#371: FILE: tools/testing/selftests/bpf/test_loader.c:646:
+		} else if ((msg = str_has_pfx(s, TEST_TAG_EXPECT_STDOUT_PFX_UNPRIV))) {

total: 12 errors, 9 warnings, 0 checks, 341 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 235a10ba5b9b ("selftests/bpf: impose global ordering for test decl_tags") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE FILE_PATH_CHANGES 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.