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Subject[cel:topic-rpc-with-tls 9991/9999] net/tls/ecdh.c:144:1: warning: no previous prototype for 'ttls_ecdh_read_params'
tree:   git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux topic-rpc-with-tls
head: a72d5318846d67a7f3f5f2bcb4c0c09c4f8907d1
commit: a0a99a10f4f0e3e1e35e566687137669da78abcd [9991/9999] Port of Tempesta TLS handshakes to the Linux 5.10.68
config: m68k-allyesconfig (https://download.01.org/0day-ci/archive/20220122/202201221357.AwLCo8LM-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://git.kernel.org/pub/scm/linux/kernel/git/cel/linux.git/commit/?id=a0a99a10f4f0e3e1e35e566687137669da78abcd
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 a0a99a10f4f0e3e1e35e566687137669da78abcd
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=m68k SHELL=/bin/bash net/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

>> net/tls/ecdh.c:144:1: warning: no previous prototype for 'ttls_ecdh_read_params' [-Wmissing-prototypes]
144 | ttls_ecdh_read_params(TlsECDHCtx *ctx, const unsigned char **buf,
| ^~~~~~~~~~~~~~~~~~~~~
--
In file included from include/asm-generic/bug.h:5,
from arch/m68k/include/asm/bug.h:32,
from include/linux/bug.h:5,
from include/linux/random.h:10,
from net/tls/bignum.h:28,
from net/tls/error.c:25:
include/linux/scatterlist.h: In function 'sg_set_buf':
arch/m68k/include/asm/page_mm.h:169:50: warning: ordered comparison of pointer with null pointer [-Wextra]
169 | #define virt_addr_valid(kaddr) ((void *)(kaddr) >= (void *)PAGE_OFFSET && (void *)(kaddr) < high_memory)
| ^~
include/linux/compiler.h:78:45: note: in definition of macro 'unlikely'
78 | # define unlikely(x) __builtin_expect(!!(x), 0)
| ^
include/linux/scatterlist.h:143:9: note: in expansion of macro 'BUG_ON'
143 | BUG_ON(!virt_addr_valid(buf));
| ^~~~~~
include/linux/scatterlist.h:143:17: note: in expansion of macro 'virt_addr_valid'
143 | BUG_ON(!virt_addr_valid(buf));
| ^~~~~~~~~~~~~~~
net/tls/error.c: At top level:
>> net/tls/error.c:40:6: warning: no previous prototype for 'ttls_strerror' [-Wmissing-prototypes]
40 | void ttls_strerror(int ret, char *buf, size_t buflen)
| ^~~~~~~~~~~~~

Kconfig warnings: (for reference only)
WARNING: unmet direct dependencies detected for CRYPTO_SHA1_SSSE3
Depends on CRYPTO && X86 && 64BIT
Selected by
- TLS_HANDSHAKE && NET && TLS
WARNING: unmet direct dependencies detected for NEED_MULTIPLE_NODES
Depends on DISCONTIGMEM || NUMA
Selected by
- SINGLE_MEMORY_CHUNK && MMU


vim +/ttls_ecdh_read_params +144 net/tls/ecdh.c

135
136 /**
137 * Read the ServerKeyExhange parameters (RFC 8422 5.4)
138 * struct {
139 * ECParameters curve_params;
140 * ECPoint public;
141 * } ServerECDHParams;
142 */
143 int
> 144 ttls_ecdh_read_params(TlsECDHCtx *ctx, const unsigned char **buf,
145 const unsigned char *end)
146 {
147 int r;
148
149 if (!(ctx->grp = ttls_ecp_tls_read_group(buf, end - *buf)))
150 return -EINVAL;
151
152 /*
153 * Import a point from a TLS ECPoint record (RFC 8443 5.4)
154 * struct {
155 * opaque point <1..2^8-1>;
156 * } ECPoint;
157 */
158 if (!(r = ttls_ecdh_read_public(ctx, *buf, end - *buf)))
159 *buf += end - *buf;
160
161 return r;
162 }
163

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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