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Date:   Tue, 2 Nov 2021 00:20:47 +0800
From:   kernel test robot <lkp@...el.com>
To:     Ilya Dryomov <idryomov@...il.com>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org
Subject: net/ceph/decode.c:164:38: warning: taking address of packed member
 'in_addr' of class or structure 'ceph_entity_addr' may result in an
 unaligned pointer value

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   8bb7eca972ad531c9b149c0a51ab43a417385813
commit: cd1a677cad994021b19665ed476aea63f5d54f31 libceph, ceph: implement msgr2.1 protocol (crc and secure modes)
date:   11 months ago
config: mips-randconfig-r011-20211101 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 82ed106567063ea269c6d5669278b733e173a42f)
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
        # install mips cross compiling tool for clang build
        # apt-get install binutils-mips-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=cd1a677cad994021b19665ed476aea63f5d54f31
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout cd1a677cad994021b19665ed476aea63f5d54f31
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=mips 

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

All warnings (new ones prefixed by >>):

   In file included from net/ceph/decode.c:4:
   In file included from include/linux/inet.h:42:
   In file included from include/net/net_namespace.h:39:
   In file included from include/linux/skbuff.h:28:
   In file included from include/net/checksum.h:22:
   arch/mips/include/asm/checksum.h:161:9: error: unsupported inline asm: input with type 'unsigned long' matching output with type '__wsum' (aka 'unsigned int')
           : "0" ((__force unsigned long)daddr),
                  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
   In file included from net/ceph/decode.c:6:
   include/linux/ceph/decode.h:236:33: warning: taking address of packed member 'in_addr' of class or structure 'ceph_entity_addr' may result in an unaligned pointer value [-Waddress-of-packed-member]
           __be16 ss_family = *(__be16 *)&a->in_addr.ss_family;
                                          ^~~~~~~~~~~~~~~~~~~~
>> net/ceph/decode.c:164:38: warning: taking address of packed member 'in_addr' of class or structure 'ceph_entity_addr' may result in an unaligned pointer value [-Waddress-of-packed-member]
           sa_family_t family = get_unaligned(&addr->in_addr.ss_family);
                                               ^~~~~~~~~~~~~~~~~~~~~~~
   include/asm-generic/unaligned.h:22:24: note: expanded from macro 'get_unaligned'
   # define get_unaligned  __get_unaligned_le
                           ^
   include/linux/unaligned/generic.h:13:52: note: expanded from macro '__get_unaligned_le'
   #define __get_unaligned_le(ptr) ((__force typeof(*(ptr)))({                     \
                                                      ^~~
>> net/ceph/decode.c:164:38: warning: taking address of packed member 'in_addr' of class or structure 'ceph_entity_addr' may result in an unaligned pointer value [-Waddress-of-packed-member]
           sa_family_t family = get_unaligned(&addr->in_addr.ss_family);
                                               ^~~~~~~~~~~~~~~~~~~~~~~
   include/asm-generic/unaligned.h:22:24: note: expanded from macro 'get_unaligned'
   # define get_unaligned  __get_unaligned_le
                           ^
   include/linux/unaligned/generic.h:14:33: note: expanded from macro '__get_unaligned_le'
           __builtin_choose_expr(sizeof(*(ptr)) == 1, *(ptr),                      \
                                          ^~~
>> net/ceph/decode.c:164:38: warning: taking address of packed member 'in_addr' of class or structure 'ceph_entity_addr' may result in an unaligned pointer value [-Waddress-of-packed-member]
           sa_family_t family = get_unaligned(&addr->in_addr.ss_family);
                                               ^~~~~~~~~~~~~~~~~~~~~~~
   include/asm-generic/unaligned.h:22:24: note: expanded from macro 'get_unaligned'
   # define get_unaligned  __get_unaligned_le
                           ^
   include/linux/unaligned/generic.h:14:47: note: expanded from macro '__get_unaligned_le'
           __builtin_choose_expr(sizeof(*(ptr)) == 1, *(ptr),                      \
                                                        ^~~
>> net/ceph/decode.c:164:38: warning: taking address of packed member 'in_addr' of class or structure 'ceph_entity_addr' may result in an unaligned pointer value [-Waddress-of-packed-member]
           sa_family_t family = get_unaligned(&addr->in_addr.ss_family);
                                               ^~~~~~~~~~~~~~~~~~~~~~~
   include/asm-generic/unaligned.h:22:24: note: expanded from macro 'get_unaligned'
   # define get_unaligned  __get_unaligned_le
                           ^
   include/linux/unaligned/generic.h:15:33: note: expanded from macro '__get_unaligned_le'
           __builtin_choose_expr(sizeof(*(ptr)) == 2, get_unaligned_le16((ptr)),   \
                                          ^~~
>> net/ceph/decode.c:164:38: warning: taking address of packed member 'in_addr' of class or structure 'ceph_entity_addr' may result in an unaligned pointer value [-Waddress-of-packed-member]
           sa_family_t family = get_unaligned(&addr->in_addr.ss_family);
                                               ^~~~~~~~~~~~~~~~~~~~~~~
   include/asm-generic/unaligned.h:22:24: note: expanded from macro 'get_unaligned'
   # define get_unaligned  __get_unaligned_le
                           ^
   include/linux/unaligned/generic.h:16:33: note: expanded from macro '__get_unaligned_le'
           __builtin_choose_expr(sizeof(*(ptr)) == 4, get_unaligned_le32((ptr)),   \
                                          ^~~
>> net/ceph/decode.c:164:38: warning: taking address of packed member 'in_addr' of class or structure 'ceph_entity_addr' may result in an unaligned pointer value [-Waddress-of-packed-member]
           sa_family_t family = get_unaligned(&addr->in_addr.ss_family);
                                               ^~~~~~~~~~~~~~~~~~~~~~~
   include/asm-generic/unaligned.h:22:24: note: expanded from macro 'get_unaligned'
   # define get_unaligned  __get_unaligned_le
                           ^
   include/linux/unaligned/generic.h:16:65: note: expanded from macro '__get_unaligned_le'
           __builtin_choose_expr(sizeof(*(ptr)) == 4, get_unaligned_le32((ptr)),   \
                                                                          ^~~
>> net/ceph/decode.c:164:38: warning: taking address of packed member 'in_addr' of class or structure 'ceph_entity_addr' may result in an unaligned pointer value [-Waddress-of-packed-member]
           sa_family_t family = get_unaligned(&addr->in_addr.ss_family);
                                               ^~~~~~~~~~~~~~~~~~~~~~~
   include/asm-generic/unaligned.h:22:24: note: expanded from macro 'get_unaligned'
   # define get_unaligned  __get_unaligned_le
                           ^
   include/linux/unaligned/generic.h:17:33: note: expanded from macro '__get_unaligned_le'
           __builtin_choose_expr(sizeof(*(ptr)) == 8, get_unaligned_le64((ptr)),   \
                                          ^~~
>> net/ceph/decode.c:164:38: warning: taking address of packed member 'in_addr' of class or structure 'ceph_entity_addr' may result in an unaligned pointer value [-Waddress-of-packed-member]
           sa_family_t family = get_unaligned(&addr->in_addr.ss_family);
                                               ^~~~~~~~~~~~~~~~~~~~~~~
   include/asm-generic/unaligned.h:22:24: note: expanded from macro 'get_unaligned'
   # define get_unaligned  __get_unaligned_le
                           ^
   include/linux/unaligned/generic.h:17:65: note: expanded from macro '__get_unaligned_le'
           __builtin_choose_expr(sizeof(*(ptr)) == 8, get_unaligned_le64((ptr)),   \
                                                                          ^~~
   net/ceph/decode.c:172:38: warning: taking address of packed member 'in_addr' of class or structure 'ceph_entity_addr' may result in an unaligned pointer value [-Waddress-of-packed-member]
           sa_family_t family = get_unaligned(&addr->in_addr.ss_family);
                                               ^~~~~~~~~~~~~~~~~~~~~~~
   include/asm-generic/unaligned.h:22:24: note: expanded from macro 'get_unaligned'
   # define get_unaligned  __get_unaligned_le
                           ^
   include/linux/unaligned/generic.h:13:52: note: expanded from macro '__get_unaligned_le'
   #define __get_unaligned_le(ptr) ((__force typeof(*(ptr)))({                     \
                                                      ^~~
   net/ceph/decode.c:172:38: warning: taking address of packed member 'in_addr' of class or structure 'ceph_entity_addr' may result in an unaligned pointer value [-Waddress-of-packed-member]
           sa_family_t family = get_unaligned(&addr->in_addr.ss_family);
                                               ^~~~~~~~~~~~~~~~~~~~~~~
   include/asm-generic/unaligned.h:22:24: note: expanded from macro 'get_unaligned'
   # define get_unaligned  __get_unaligned_le
                           ^
   include/linux/unaligned/generic.h:14:33: note: expanded from macro '__get_unaligned_le'
           __builtin_choose_expr(sizeof(*(ptr)) == 1, *(ptr),                      \
                                          ^~~
   net/ceph/decode.c:172:38: warning: taking address of packed member 'in_addr' of class or structure 'ceph_entity_addr' may result in an unaligned pointer value [-Waddress-of-packed-member]
           sa_family_t family = get_unaligned(&addr->in_addr.ss_family);
                                               ^~~~~~~~~~~~~~~~~~~~~~~
   include/asm-generic/unaligned.h:22:24: note: expanded from macro 'get_unaligned'
   # define get_unaligned  __get_unaligned_le
                           ^
   include/linux/unaligned/generic.h:14:47: note: expanded from macro '__get_unaligned_le'
           __builtin_choose_expr(sizeof(*(ptr)) == 1, *(ptr),                      \
                                                        ^~~
   net/ceph/decode.c:172:38: warning: taking address of packed member 'in_addr' of class or structure 'ceph_entity_addr' may result in an unaligned pointer value [-Waddress-of-packed-member]
           sa_family_t family = get_unaligned(&addr->in_addr.ss_family);
                                               ^~~~~~~~~~~~~~~~~~~~~~~
   include/asm-generic/unaligned.h:22:24: note: expanded from macro 'get_unaligned'
   # define get_unaligned  __get_unaligned_le
                           ^
   include/linux/unaligned/generic.h:15:33: note: expanded from macro '__get_unaligned_le'
           __builtin_choose_expr(sizeof(*(ptr)) == 2, get_unaligned_le16((ptr)),   \
                                          ^~~
   net/ceph/decode.c:172:38: warning: taking address of packed member 'in_addr' of class or structure 'ceph_entity_addr' may result in an unaligned pointer value [-Waddress-of-packed-member]
           sa_family_t family = get_unaligned(&addr->in_addr.ss_family);
                                               ^~~~~~~~~~~~~~~~~~~~~~~
   include/asm-generic/unaligned.h:22:24: note: expanded from macro 'get_unaligned'
   # define get_unaligned  __get_unaligned_le
                           ^
   include/linux/unaligned/generic.h:16:33: note: expanded from macro '__get_unaligned_le'
           __builtin_choose_expr(sizeof(*(ptr)) == 4, get_unaligned_le32((ptr)),   \
                                          ^~~
   net/ceph/decode.c:172:38: warning: taking address of packed member 'in_addr' of class or structure 'ceph_entity_addr' may result in an unaligned pointer value [-Waddress-of-packed-member]
           sa_family_t family = get_unaligned(&addr->in_addr.ss_family);
                                               ^~~~~~~~~~~~~~~~~~~~~~~
   include/asm-generic/unaligned.h:22:24: note: expanded from macro 'get_unaligned'
   # define get_unaligned  __get_unaligned_le
                           ^
   include/linux/unaligned/generic.h:16:65: note: expanded from macro '__get_unaligned_le'
           __builtin_choose_expr(sizeof(*(ptr)) == 4, get_unaligned_le32((ptr)),   \
                                                                          ^~~
   net/ceph/decode.c:172:38: warning: taking address of packed member 'in_addr' of class or structure 'ceph_entity_addr' may result in an unaligned pointer value [-Waddress-of-packed-member]
           sa_family_t family = get_unaligned(&addr->in_addr.ss_family);
                                               ^~~~~~~~~~~~~~~~~~~~~~~
   include/asm-generic/unaligned.h:22:24: note: expanded from macro 'get_unaligned'
   # define get_unaligned  __get_unaligned_le
                           ^
   include/linux/unaligned/generic.h:17:33: note: expanded from macro '__get_unaligned_le'
           __builtin_choose_expr(sizeof(*(ptr)) == 8, get_unaligned_le64((ptr)),   \
                                          ^~~
   net/ceph/decode.c:172:38: warning: taking address of packed member 'in_addr' of class or structure 'ceph_entity_addr' may result in an unaligned pointer value [-Waddress-of-packed-member]
           sa_family_t family = get_unaligned(&addr->in_addr.ss_family);
                                               ^~~~~~~~~~~~~~~~~~~~~~~
   include/asm-generic/unaligned.h:22:24: note: expanded from macro 'get_unaligned'
   # define get_unaligned  __get_unaligned_le
                           ^
   include/linux/unaligned/generic.h:17:65: note: expanded from macro '__get_unaligned_le'
           __builtin_choose_expr(sizeof(*(ptr)) == 8, get_unaligned_le64((ptr)),   \
                                                                          ^~~
   17 warnings and 1 error generated.
--
   In file included from net/ceph/messenger_v2.c:20:
   In file included from include/net/sock.h:46:
   In file included from include/linux/netdevice.h:37:
   In file included from include/linux/ethtool.h:18:
   In file included from include/uapi/linux/ethtool.h:19:
   In file included from include/linux/if_ether.h:19:
   In file included from include/linux/skbuff.h:28:
   In file included from include/net/checksum.h:22:
   arch/mips/include/asm/checksum.h:161:9: error: unsupported inline asm: input with type 'unsigned long' matching output with type '__wsum' (aka 'unsigned int')
           : "0" ((__force unsigned long)daddr),
                  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
   In file included from net/ceph/messenger_v2.c:20:
   In file included from include/net/sock.h:61:
   include/linux/poll.h:142:27: warning: division by zero is undefined [-Wdivision-by-zero]
                   M(RDNORM) | M(RDBAND) | M(WRNORM) | M(WRBAND) |
                                           ^~~~~~~~~
   include/linux/poll.h:140:32: note: expanded from macro 'M'
   #define M(X) (__force __poll_t)__MAP(val, POLL##X, (__force __u16)EPOLL##X)
                                  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/poll.h:126:51: note: expanded from macro '__MAP'
           (from < to ? (v & from) * (to/from) : (v & from) / (from/to))
                                                            ^ ~~~~~~~~~
   include/linux/poll.h:142:39: warning: division by zero is undefined [-Wdivision-by-zero]
                   M(RDNORM) | M(RDBAND) | M(WRNORM) | M(WRBAND) |
                                                       ^~~~~~~~~
   include/linux/poll.h:140:32: note: expanded from macro 'M'
   #define M(X) (__force __poll_t)__MAP(val, POLL##X, (__force __u16)EPOLL##X)
                                  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/poll.h:126:51: note: expanded from macro '__MAP'
           (from < to ? (v & from) * (to/from) : (v & from) / (from/to))
                                                            ^ ~~~~~~~~~
   In file included from net/ceph/messenger_v2.c:24:
   include/linux/ceph/decode.h:236:33: warning: taking address of packed member 'in_addr' of class or structure 'ceph_entity_addr' may result in an unaligned pointer value [-Waddress-of-packed-member]
           __be16 ss_family = *(__be16 *)&a->in_addr.ss_family;
                                          ^~~~~~~~~~~~~~~~~~~~
>> net/ceph/messenger_v2.c:557:16: warning: taking address of packed member 'front_crc' of class or structure 'ceph_connection_v2_info::(anonymous struct)::(anonymous union)::(anonymous)' may result in an unaligned pointer value [-Waddress-of-packed-member]
           cpu_to_le32s(&con->v2.out_epil.front_crc);
                         ^~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/byteorder/generic.h:112:22: note: expanded from macro 'cpu_to_le32s'
   #define cpu_to_le32s __cpu_to_le32s
                        ^
   include/uapi/linux/byteorder/little_endian.h:94:39: note: expanded from macro '__cpu_to_le32s'
   #define __cpu_to_le32s(x) do { (void)(x); } while (0)
                                         ^
>> net/ceph/messenger_v2.c:558:16: warning: taking address of packed member 'middle_crc' of class or structure 'ceph_connection_v2_info::(anonymous struct)::(anonymous union)::(anonymous)' may result in an unaligned pointer value [-Waddress-of-packed-member]
           cpu_to_le32s(&con->v2.out_epil.middle_crc);
                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/byteorder/generic.h:112:22: note: expanded from macro 'cpu_to_le32s'
   #define cpu_to_le32s __cpu_to_le32s
                        ^
   include/uapi/linux/byteorder/little_endian.h:94:39: note: expanded from macro '__cpu_to_le32s'
   #define __cpu_to_le32s(x) do { (void)(x); } while (0)
                                         ^
>> net/ceph/messenger_v2.c:559:16: warning: taking address of packed member 'data_crc' of class or structure 'ceph_connection_v2_info::(anonymous struct)::(anonymous union)::(anonymous)' may result in an unaligned pointer value [-Waddress-of-packed-member]
           cpu_to_le32s(&con->v2.out_epil.data_crc);
                         ^~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/byteorder/generic.h:112:22: note: expanded from macro 'cpu_to_le32s'
   #define cpu_to_le32s __cpu_to_le32s
                        ^
   include/uapi/linux/byteorder/little_endian.h:94:39: note: expanded from macro '__cpu_to_le32s'
   #define __cpu_to_le32s(x) do { (void)(x); } while (0)
                                         ^
   6 warnings and 1 error generated.


vim +164 net/ceph/decode.c

     5	
   > 6	#include <linux/ceph/decode.h>
     7	
     8	static int
     9	ceph_decode_entity_addr_versioned(void **p, void *end,
    10					  struct ceph_entity_addr *addr)
    11	{
    12		int ret;
    13		u8 struct_v;
    14		u32 struct_len, addr_len;
    15		void *struct_end;
    16	
    17		ret = ceph_start_decoding(p, end, 1, "entity_addr_t", &struct_v,
    18					  &struct_len);
    19		if (ret)
    20			goto bad;
    21	
    22		ret = -EINVAL;
    23		struct_end = *p + struct_len;
    24	
    25		ceph_decode_copy_safe(p, end, &addr->type, sizeof(addr->type), bad);
    26	
    27		ceph_decode_copy_safe(p, end, &addr->nonce, sizeof(addr->nonce), bad);
    28	
    29		ceph_decode_32_safe(p, end, addr_len, bad);
    30		if (addr_len > sizeof(addr->in_addr))
    31			goto bad;
    32	
    33		memset(&addr->in_addr, 0, sizeof(addr->in_addr));
    34		if (addr_len) {
    35			ceph_decode_copy_safe(p, end, &addr->in_addr, addr_len, bad);
    36	
    37			addr->in_addr.ss_family =
    38				le16_to_cpu((__force __le16)addr->in_addr.ss_family);
    39		}
    40	
    41		/* Advance past anything the client doesn't yet understand */
    42		*p = struct_end;
    43		ret = 0;
    44	bad:
    45		return ret;
    46	}
    47	
    48	static int
    49	ceph_decode_entity_addr_legacy(void **p, void *end,
    50				       struct ceph_entity_addr *addr)
    51	{
    52		int ret = -EINVAL;
    53	
    54		/* Skip rest of type field */
    55		ceph_decode_skip_n(p, end, 3, bad);
    56	
    57		/*
    58		 * Clients that don't support ADDR2 always send TYPE_NONE, change it
    59		 * to TYPE_LEGACY for forward compatibility.
    60		 */
    61		addr->type = CEPH_ENTITY_ADDR_TYPE_LEGACY;
    62		ceph_decode_copy_safe(p, end, &addr->nonce, sizeof(addr->nonce), bad);
    63		memset(&addr->in_addr, 0, sizeof(addr->in_addr));
    64		ceph_decode_copy_safe(p, end, &addr->in_addr,
    65				      sizeof(addr->in_addr), bad);
    66		addr->in_addr.ss_family =
    67				be16_to_cpu((__force __be16)addr->in_addr.ss_family);
    68		ret = 0;
    69	bad:
    70		return ret;
    71	}
    72	
    73	int
    74	ceph_decode_entity_addr(void **p, void *end, struct ceph_entity_addr *addr)
    75	{
    76		u8 marker;
    77	
    78		ceph_decode_8_safe(p, end, marker, bad);
    79		if (marker == 1)
    80			return ceph_decode_entity_addr_versioned(p, end, addr);
    81		else if (marker == 0)
    82			return ceph_decode_entity_addr_legacy(p, end, addr);
    83	bad:
    84		return -EINVAL;
    85	}
    86	EXPORT_SYMBOL(ceph_decode_entity_addr);
    87	
    88	/*
    89	 * Return addr of desired type (MSGR2 or LEGACY) or error.
    90	 * Make sure there is only one match.
    91	 *
    92	 * Assume encoding with MSG_ADDR2.
    93	 */
    94	int ceph_decode_entity_addrvec(void **p, void *end, bool msgr2,
    95				       struct ceph_entity_addr *addr)
    96	{
    97		__le32 my_type = msgr2 ? CEPH_ENTITY_ADDR_TYPE_MSGR2 :
    98					 CEPH_ENTITY_ADDR_TYPE_LEGACY;
    99		struct ceph_entity_addr tmp_addr;
   100		int addr_cnt;
   101		bool found;
   102		u8 marker;
   103		int ret;
   104		int i;
   105	
   106		ceph_decode_8_safe(p, end, marker, e_inval);
   107		if (marker != 2) {
   108			pr_err("bad addrvec marker %d\n", marker);
   109			return -EINVAL;
   110		}
   111	
   112		ceph_decode_32_safe(p, end, addr_cnt, e_inval);
   113	
   114		found = false;
   115		for (i = 0; i < addr_cnt; i++) {
   116			ret = ceph_decode_entity_addr(p, end, &tmp_addr);
   117			if (ret)
   118				return ret;
   119	
   120			if (tmp_addr.type == my_type) {
   121				if (found) {
   122					pr_err("another match of type %d in addrvec\n",
   123					       le32_to_cpu(my_type));
   124					return -EINVAL;
   125				}
   126	
   127				memcpy(addr, &tmp_addr, sizeof(*addr));
   128				found = true;
   129			}
   130		}
   131		if (!found && addr_cnt != 0) {
   132			pr_err("no match of type %d in addrvec\n",
   133			       le32_to_cpu(my_type));
   134			return -ENOENT;
   135		}
   136	
   137		return 0;
   138	
   139	e_inval:
   140		return -EINVAL;
   141	}
   142	EXPORT_SYMBOL(ceph_decode_entity_addrvec);
   143	
   144	static int get_sockaddr_encoding_len(sa_family_t family)
   145	{
   146		union {
   147			struct sockaddr sa;
   148			struct sockaddr_in sin;
   149			struct sockaddr_in6 sin6;
   150		} u;
   151	
   152		switch (family) {
   153		case AF_INET:
   154			return sizeof(u.sin);
   155		case AF_INET6:
   156			return sizeof(u.sin6);
   157		default:
   158			return sizeof(u);
   159		}
   160	}
   161	
   162	int ceph_entity_addr_encoding_len(const struct ceph_entity_addr *addr)
   163	{
 > 164		sa_family_t family = get_unaligned(&addr->in_addr.ss_family);
   165		int addr_len = get_sockaddr_encoding_len(family);
   166	
   167		return 1 + CEPH_ENCODING_START_BLK_LEN + 4 + 4 + 4 + addr_len;
   168	}
   169	

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0-DAY CI Kernel Test Service, Intel Corporation
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