WARNING: please write a help paragraph that fully describes the config symbol with at least 4 lines
#72: FILE: net/rxrpc/Kconfig:70:
+config RXGK
+	bool "RxRPC GSSAPI security"
+	select CRYPTO_KRB5
+	select CRYPTO_MANAGER
+	select CRYPTO_KRB5ENC
+	select CRYPTO_AUTHENC
+	select CRYPTO_SKCIPHER
+	select CRYPTO_HASH_INFO
+	select CRYPTO_HMAC
+	select CRYPTO_CMAC
+	select CRYPTO_SHA1
+	select CRYPTO_SHA256
+	select CRYPTO_SHA512
+	select CRYPTO_CBC
+	select CRYPTO_CTS
+	select CRYPTO_AES
+	select CRYPTO_CAMELLIA
+	help
+	  Provide the GSSAPI-based RxGK security class for AFS.  Keys are added
+	  with add_key().
+
+	  See Documentation/networking/rxrpc.rst.
+

WARNING: line length of 86 exceeds 80 columns
#120: FILE: net/rxrpc/ar-internal.h:562:
+			u64	start_time;	/* The start time for TK derivation */

WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
#126: 
new file mode 100644

WARNING: line length of 93 exceeds 80 columns
#147: FILE: net/rxrpc/rxgk_common.h:17:
+	unsigned int		key_number;	/* Rekeying number (goes in the rx header) */

WARNING: line length of 81 exceeds 80 columns
#150: FILE: net/rxrpc/rxgk_common.h:20:
+	unsigned long		expiry;		/* Expiration time of this key */

WARNING: line length of 88 exceeds 80 columns
#151: FILE: net/rxrpc/rxgk_common.h:21:
+	long long		bytes_remaining; /* Remaining Tx lifetime of this key */

WARNING: line length of 81 exceeds 80 columns
#270: FILE: net/rxrpc/rxgk_kdf.c:86:
+	ret = crypto_krb5_calc_PRFplus(krb5, &rxgk->key, L, &conn_info, TK, gfp);

WARNING: line length of 88 exceeds 80 columns
#303: FILE: net/rxrpc/rxgk_kdf.c:119:
+	aead = crypto_krb5_prepare_encryption(krb5, &TK, RXGK_CLIENT_ENC_RESPONSE, gfp);

CHECK: Lines should not end with a '('
#319: FILE: net/rxrpc/rxgk_kdf.c:135:
+			shash = crypto_krb5_prepare_checksum(

CHECK: Lines should not end with a '('
#324: FILE: net/rxrpc/rxgk_kdf.c:140:
+			shash = crypto_krb5_prepare_checksum(

CHECK: Lines should not end with a '('
#331: FILE: net/rxrpc/rxgk_kdf.c:147:
+			aead = crypto_krb5_prepare_encryption(

CHECK: Lines should not end with a '('
#336: FILE: net/rxrpc/rxgk_kdf.c:152:
+			aead = crypto_krb5_prepare_encryption(

CHECK: Lines should not end with a '('
#346: FILE: net/rxrpc/rxgk_kdf.c:162:
+			shash = crypto_krb5_prepare_checksum(

CHECK: Lines should not end with a '('
#351: FILE: net/rxrpc/rxgk_kdf.c:167:
+			shash = crypto_krb5_prepare_checksum(

CHECK: Lines should not end with a '('
#358: FILE: net/rxrpc/rxgk_kdf.c:174:
+			aead = crypto_krb5_prepare_encryption(

CHECK: Lines should not end with a '('
#363: FILE: net/rxrpc/rxgk_kdf.c:179:
+			aead = crypto_krb5_prepare_encryption(

WARNING: line length of 92 exceeds 80 columns
#464: FILE: net/rxrpc/rxgk_kdf.c:280:
+	aead = crypto_krb5_prepare_encryption(krb5, server_key, RXGK_SERVER_ENC_TOKEN, gfp);

total: 0 errors, 9 warnings, 8 checks, 381 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 0314cbca5582 ("rxrpc: rxgk: Provide infrastructure and key derivation") 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, 9 warnings, 8 checks, 381 lines checked