[cel:topic-rpc-with-tls 9993/9999] net/tls/crypto.c:252:42: warning: suggest braces around empty body in an 'if' statement
From: kernel test robot
Date: Fri Jan 21 2022 - 22:26:31 EST
tree: git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux topic-rpc-with-tls
head: a72d5318846d67a7f3f5f2bcb4c0c09c4f8907d1
commit: e0ae63faa3340c31e8457c7a2b9e8210955dd42c [9993/9999] Move headers, required for other modules, to include/net/tls/
config: um-allyesconfig (https://download.01.org/0day-ci/archive/20220122/202201221103.a0Ov4OZp-lkp@xxxxxxxxx/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
# https://git.kernel.org/pub/scm/linux/kernel/git/cel/linux.git/commit/?id=e0ae63faa3340c31e8457c7a2b9e8210955dd42c
git remote add cel git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
git fetch --no-tags cel topic-rpc-with-tls
git checkout e0ae63faa3340c31e8457c7a2b9e8210955dd42c
# save the config file to linux build tree
mkdir build_dir
make W=1 O=build_dir ARCH=um SHELL=/bin/bash net/tls/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>
All warnings (new ones prefixed by >>):
cc1: warning: arch/um/include/uapi: No such file or directory [-Wmissing-include-dirs]
net/tls/crypto.c: In function 'ttls_md_starts':
>> net/tls/crypto.c:252:42: warning: suggest braces around empty body in an 'if' statement [-Wempty-body]
252 | T_DBG("cannot start hash ctx, %d\n", r);
| ^
net/tls/crypto.c: In function 'ttls_md_update':
net/tls/crypto.c:266:43: warning: suggest braces around empty body in an 'if' statement [-Wempty-body]
266 | T_DBG("cannot update hash ctx, %d\n", r);
| ^
net/tls/crypto.c: In function 'ttls_md_finish':
net/tls/crypto.c:280:47: warning: suggest braces around empty body in an 'if' statement [-Wempty-body]
280 | T_DBG("cannot finish hash context, %d\n", r);
| ^
--
cc1: warning: arch/um/include/uapi: No such file or directory [-Wmissing-include-dirs]
>> net/tls/ec_25519.c:137:1: warning: no previous prototype for 'ecp_mod_p255' [-Wmissing-prototypes]
137 | ecp_mod_p255(TlsMpi *N)
| ^~~~~~~~~~~~
--
cc1: warning: arch/um/include/uapi: No such file or directory [-Wmissing-include-dirs]
>> net/tls/ec_p256.c:1412:1: warning: no previous prototype for 'ecp256_gen_keypair' [-Wmissing-prototypes]
1412 | ecp256_gen_keypair(TlsMpi *d, TlsEcpPoint *Q)
| ^~~~~~~~~~~~~~~~~~
--
cc1: warning: arch/um/include/uapi: No such file or directory [-Wmissing-include-dirs]
net/tls/mpool.c: In function 'ttls_mpi_pool_free':
>> net/tls/mpool.c:185:29: warning: suggest braces around empty body in an 'if' statement [-Wempty-body]
185 | mp->order, mp->curr);
| ^
--
cc1: warning: arch/um/include/uapi: No such file or directory [-Wmissing-include-dirs]
net/tls/pkparse.c: In function 'pk_parse_key_sec1_der':
>> net/tls/pkparse.c:419:18: warning: variable 'pubkey_done' set but not used [-Wunused-but-set-variable]
419 | int r, version, pubkey_done;
| ^~~~~~~~~~~
--
cc1: warning: arch/um/include/uapi: No such file or directory [-Wmissing-include-dirs]
>> net/tls/rsa.c:255:1: warning: no previous prototype for 'ttls_rsa_deduce_primes' [-Wmissing-prototypes]
255 | ttls_rsa_deduce_primes(TlsMpi const *N, TlsMpi const *E, TlsMpi const *D,
| ^~~~~~~~~~~~~~~~~~~~~~
>> net/tls/rsa.c:371:1: warning: no previous prototype for 'ttls_rsa_deduce_private_exponent' [-Wmissing-prototypes]
371 | ttls_rsa_deduce_private_exponent(TlsMpi const *P, TlsMpi const *Q,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> net/tls/rsa.c:414:1: warning: no previous prototype for 'ttls_rsa_deduce_crt' [-Wmissing-prototypes]
414 | ttls_rsa_deduce_crt(const TlsMpi *P, const TlsMpi *Q, const TlsMpi *D,
| ^~~~~~~~~~~~~~~~~~~
>> net/tls/rsa.c:1376:1: warning: no previous prototype for 'ttls_rsa_rsassa_pss_verify' [-Wmissing-prototypes]
1376 | ttls_rsa_rsassa_pss_verify(TlsRSACtx *ctx, ttls_md_type_t md_alg,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
--
cc1: warning: arch/um/include/uapi: No such file or directory [-Wmissing-include-dirs]
net/tls/tls_srv.c: In function 'ttls_process_session_ticket':
>> net/tls/tls_srv.c:323:54: warning: suggest braces around empty body in an 'else' statement [-Wempty-body]
323 | T_DBG("ClientHello: cannot parse ticket, %d\n", r);
| ^
net/tls/tls_srv.c: In function 'ttls_write_certificate_request':
>> net/tls/tls_srv.c:1503:6: warning: variable 'authmode' set but not used [-Wunused-but-set-variable]
1503 | int authmode;
| ^~~~~~~~
net/tls/tls_srv.c: In function 'ttls_parse_client_key_exchange':
>> net/tls/tls_srv.c:1786:52: warning: suggest braces around empty body in an 'if' statement [-Wempty-body]
1786 | T_DBG("KeyExchange: cannot derive keys, %d\n", r);
| ^
net/tls/tls_srv.c: In function 'ttls_parse_certificate_verify':
net/tls/tls_srv.c:1880:37: warning: suggest braces around empty body in an 'if' statement [-Wempty-body]
1880 | T_DBG("cannot verify pk, %d\n", r);
| ^
--
cc1: warning: arch/um/include/uapi: No such file or directory [-Wmissing-include-dirs]
net/tls/tls_ticket.c: In function 'ttls_tickets_init':
>> net/tls/tls_ticket.c:385:1: warning: old-style function definition [-Wold-style-definition]
385 | ttls_tickets_init()
| ^~~~~~~~~~~~~~~~~
net/tls/tls_ticket.c: In function 'ttls_tickets_exit':
net/tls/tls_ticket.c:406:6: warning: old-style function definition [-Wold-style-definition]
406 | void ttls_tickets_exit()
| ^~~~~~~~~~~~~~~~~
--
cc1: warning: arch/um/include/uapi: No such file or directory [-Wmissing-include-dirs]
net/tls/ttls.c: In function '__ttls_send_record':
>> net/tls/ttls.c:1036:43: warning: suggest braces around empty body in an 'if' statement [-Wempty-body]
1036 | T_DBG("TLS send callback error %d\n", r);
| ^
net/tls/ttls.c: At top level:
>> net/tls/ttls.c:1295:1: warning: no previous prototype for 'ttls_handle_alert' [-Wmissing-prototypes]
1295 | ttls_handle_alert(TlsCtx *tls)
| ^~~~~~~~~~~~~~~~~
net/tls/ttls.c: In function 'ttls_parse_certificate':
net/tls/ttls.c:1587:53: warning: suggest braces around empty body in an 'if' statement [-Wempty-body]
1587 | T_DBG("client cert verification status: %d\n", r);
| ^
net/tls/ttls.c: At top level:
>> net/tls/ttls.c:2461:1: warning: no previous prototype for 'ttls_sig_hash_set_has' [-Wmissing-prototypes]
2461 | ttls_sig_hash_set_has(TlsSigHashSet *set, ttls_pk_type_t sig_alg,
| ^~~~~~~~~~~~~~~~~~~~~
>> net/tls/ttls.c:2475:1: warning: no previous prototype for 'ttls_sig_hash_set_const' [-Wmissing-prototypes]
2475 | ttls_sig_hash_set_const(TlsSigHashSet *set, ttls_pk_type_t sig_alg,
| ^~~~~~~~~~~~~~~~~~~~~~~
Kconfig warnings: (for reference only)
WARNING: unmet direct dependencies detected for MFD_CORE
Depends on HAS_IOMEM
Selected by
- MFD_HI6421_SPMI && STAGING && OF && SPMI
WARNING: unmet direct dependencies detected for CRYPTO_SHA1_SSSE3
Depends on CRYPTO && X86 && 64BIT
Selected by
- TLS_HANDSHAKE && NET && TLS
vim +/if +252 net/tls/crypto.c
a0a99a10f4f0e3 Alexander K 2021-09-27 242
a0a99a10f4f0e3 Alexander K 2021-09-27 243 int
a0a99a10f4f0e3 Alexander K 2021-09-27 244 ttls_md_starts(TlsMdCtx *ctx)
a0a99a10f4f0e3 Alexander K 2021-09-27 245 {
a0a99a10f4f0e3 Alexander K 2021-09-27 246 int r;
a0a99a10f4f0e3 Alexander K 2021-09-27 247
a0a99a10f4f0e3 Alexander K 2021-09-27 248 BUG_ON(!ctx || !ctx->md_info);
a0a99a10f4f0e3 Alexander K 2021-09-27 249
a0a99a10f4f0e3 Alexander K 2021-09-27 250 r = crypto_shash_init(&ctx->md_ctx);
a0a99a10f4f0e3 Alexander K 2021-09-27 251 if (r)
a0a99a10f4f0e3 Alexander K 2021-09-27 @252 T_DBG("cannot start hash ctx, %d\n", r);
a0a99a10f4f0e3 Alexander K 2021-09-27 253
a0a99a10f4f0e3 Alexander K 2021-09-27 254 return r;
a0a99a10f4f0e3 Alexander K 2021-09-27 255 }
a0a99a10f4f0e3 Alexander K 2021-09-27 256
:::::: The code at line 252 was first introduced by commit
:::::: a0a99a10f4f0e3e1e35e566687137669da78abcd Port of Tempesta TLS handshakes to the Linux 5.10.68
:::::: TO: Alexander K <ak@xxxxxxxxxxxxxxxxx>
:::::: CC: Chuck Lever <chuck.lever@xxxxxxxxxx>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx