WARNING: please write a help paragraph that fully describes the config symbol
#43: FILE: crypto/krb5/Kconfig:19:
+config CRYPTO_KRB5_SELFTESTS
+	bool "Kerberos 5 crypto selftests"
+	depends on CRYPTO_KRB5
+	help
+	  Turn on some self-testing for the kerberos 5 crypto functions.  These
+	  will be performed on module load or boot, if compiled in.

WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
#145: 
new file mode 100644

WARNING: Consider removing the code enclosed by this #if 0 and its #endif
#188: FILE: crypto/krb5/selftest.c:39:
+#if 0

WARNING: line length of 81 exceeds 80 columns
#201: FILE: crypto/krb5/selftest.c:52:
+			pr_notice("[%x] %04x: %*phN\n", n, index, part, p + off);

WARNING: Macros with flow control statements should be avoided
#221: FILE: crypto/krb5/selftest.c:72:
+#define PREP_BUF(BUF, LEN)					\
+	do {							\
+		(BUF)->len = (LEN);				\
+		ret = prep_buf((BUF));				\
+		if (ret < 0)					\
+			goto out;				\
+	} while (0)

WARNING: line length of 94 exceeds 80 columns
#254: FILE: crypto/krb5/selftest.c:105:
+#define LOAD_BUF(BUF, FROM) do { ret = load_buf(BUF, FROM); if (ret < 0) goto out; } while (0)

WARNING: Macros with flow control statements should be avoided
#254: FILE: crypto/krb5/selftest.c:105:
+#define LOAD_BUF(BUF, FROM) do { ret = load_buf(BUF, FROM); if (ret < 0) goto out; } while (0)

WARNING: line length of 85 exceeds 80 columns
#325: FILE: crypto/krb5/selftest.c:176:
+		ret = krb5_derive_Kc(krb5, base_key, test->use, &result, GFP_KERNEL);

WARNING: line length of 85 exceeds 80 columns
#328: FILE: crypto/krb5/selftest.c:179:
+		ret = krb5_derive_Ke(krb5, base_key, test->use, &result, GFP_KERNEL);

WARNING: line length of 85 exceeds 80 columns
#331: FILE: crypto/krb5/selftest.c:182:
+		ret = krb5_derive_Ki(krb5, base_key, test->use, &result, GFP_KERNEL);

WARNING: line length of 90 exceeds 80 columns
#414: FILE: crypto/krb5/selftest.c:265:
+		ret = krb5->profile->load_encrypt_keys(krb5, &Ke, &Ki, &keys, GFP_KERNEL);

WARNING: line length of 86 exceeds 80 columns
#428: FILE: crypto/krb5/selftest.c:279:
+		pr_warn("Encrypted length mismatch %zu != %u\n", message_len, ct.len);

WARNING: line length of 83 exceeds 80 columns
#432: FILE: crypto/krb5/selftest.c:283:
+		pr_warn("Data offset mismatch %zu != %u\n", data_offset, conf.len);

WARNING: line length of 88 exceeds 80 columns
#441: FILE: crypto/krb5/selftest.c:292:
+		ci = crypto_krb5_prepare_encryption(krb5, &K0, test->usage, GFP_KERNEL);

WARNING: line length of 86 exceeds 80 columns
#463: FILE: crypto/krb5/selftest.c:314:
+		pr_warn("Encrypted message wrong size %x != %zx\n", ret, message_len);

WARNING: line length of 88 exceeds 80 columns
#472: FILE: crypto/krb5/selftest.c:323:
+		pr_warn("PT  %*phN%*phN\n", conf.len, conf.data, plain.len, plain.data);

WARNING: line length of 86 exceeds 80 columns
#544: FILE: crypto/krb5/selftest.c:395:
+		ci = crypto_krb5_prepare_checksum(krb5, &K0, test->usage, GFP_KERNEL);

WARNING: line length of 85 exceeds 80 columns
#548: FILE: crypto/krb5/selftest.c:399:
+		ret = krb5->profile->load_checksum_key(krb5, &Kc, &keys, GFP_KERNEL);

WARNING: line length of 85 exceeds 80 columns
#590: FILE: crypto/krb5/selftest.c:441:
+		pr_warn("MIC length mismatch %zu != %u\n", len, plain.len + mic.len);

total: 0 errors, 19 warnings, 0 checks, 671 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 5137c96af37d ("crypto/krb5: Implement crypto self-testing") 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, 19 warnings, 0 checks, 671 lines checked