CC: [email protected]
CC: [email protected]
TO: Ilya Dryomov <[email protected]>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 
master
head:   5f53fa508db098c9d372423a6dac31c8a5679cdf
commit: 2f713615ddd9d805b6c5e79c52e0e11af99d2bf1 libceph: move msgr1 protocol 
implementation to its own file
date:   12 months ago
:::::: branch date: 25 hours ago
:::::: commit date: 12 months ago
config: ia64-randconfig-m031-20211122 
(https://download.01.org/0day-ci/archive/20211126/[email protected]/config)
compiler: ia64-linux-gcc (GCC) 11.2.0

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <[email protected]>
Reported-by: Dan Carpenter <[email protected]>

New smatch warnings:
net/ceph/messenger_v1.c:403 prepare_write_connect() error: uninitialized symbol 
'proto'.

Old smatch warnings:
net/ceph/messenger_v1.c:1111 read_partial_message() error: we previously 
assumed 'con->in_msg' could be null (see line 1090)

vim +/proto +403 net/ceph/messenger_v1.c

2f713615ddd9d80 Ilya Dryomov 2020-11-12  374  
2f713615ddd9d80 Ilya Dryomov 2020-11-12  375  static int 
prepare_write_connect(struct ceph_connection *con)
2f713615ddd9d80 Ilya Dryomov 2020-11-12  376  {
2f713615ddd9d80 Ilya Dryomov 2020-11-12  377    unsigned int global_seq = 
ceph_get_global_seq(con->msgr, 0);
2f713615ddd9d80 Ilya Dryomov 2020-11-12  378    int proto;
2f713615ddd9d80 Ilya Dryomov 2020-11-12  379    int ret;
2f713615ddd9d80 Ilya Dryomov 2020-11-12  380  
2f713615ddd9d80 Ilya Dryomov 2020-11-12  381    switch (con->peer_name.type) {
2f713615ddd9d80 Ilya Dryomov 2020-11-12  382    case CEPH_ENTITY_TYPE_MON:
2f713615ddd9d80 Ilya Dryomov 2020-11-12  383            proto = 
CEPH_MONC_PROTOCOL;
2f713615ddd9d80 Ilya Dryomov 2020-11-12  384            break;
2f713615ddd9d80 Ilya Dryomov 2020-11-12  385    case CEPH_ENTITY_TYPE_OSD:
2f713615ddd9d80 Ilya Dryomov 2020-11-12  386            proto = 
CEPH_OSDC_PROTOCOL;
2f713615ddd9d80 Ilya Dryomov 2020-11-12  387            break;
2f713615ddd9d80 Ilya Dryomov 2020-11-12  388    case CEPH_ENTITY_TYPE_MDS:
2f713615ddd9d80 Ilya Dryomov 2020-11-12  389            proto = 
CEPH_MDSC_PROTOCOL;
2f713615ddd9d80 Ilya Dryomov 2020-11-12  390            break;
2f713615ddd9d80 Ilya Dryomov 2020-11-12  391    default:
2f713615ddd9d80 Ilya Dryomov 2020-11-12  392            BUG();
2f713615ddd9d80 Ilya Dryomov 2020-11-12  393    }
2f713615ddd9d80 Ilya Dryomov 2020-11-12  394  
2f713615ddd9d80 Ilya Dryomov 2020-11-12  395    dout("prepare_write_connect %p 
cseq=%d gseq=%d proto=%d\n", con,
2f713615ddd9d80 Ilya Dryomov 2020-11-12  396         con->connect_seq, 
global_seq, proto);
2f713615ddd9d80 Ilya Dryomov 2020-11-12  397  
2f713615ddd9d80 Ilya Dryomov 2020-11-12  398    con->out_connect.features =
2f713615ddd9d80 Ilya Dryomov 2020-11-12  399        
cpu_to_le64(from_msgr(con->msgr)->supported_features);
2f713615ddd9d80 Ilya Dryomov 2020-11-12  400    con->out_connect.host_type = 
cpu_to_le32(CEPH_ENTITY_TYPE_CLIENT);
2f713615ddd9d80 Ilya Dryomov 2020-11-12  401    con->out_connect.connect_seq = 
cpu_to_le32(con->connect_seq);
2f713615ddd9d80 Ilya Dryomov 2020-11-12  402    con->out_connect.global_seq = 
cpu_to_le32(global_seq);
2f713615ddd9d80 Ilya Dryomov 2020-11-12 @403    
con->out_connect.protocol_version = cpu_to_le32(proto);
2f713615ddd9d80 Ilya Dryomov 2020-11-12  404    con->out_connect.flags = 0;
2f713615ddd9d80 Ilya Dryomov 2020-11-12  405  
2f713615ddd9d80 Ilya Dryomov 2020-11-12  406    ret = 
get_connect_authorizer(con);
2f713615ddd9d80 Ilya Dryomov 2020-11-12  407    if (ret)
2f713615ddd9d80 Ilya Dryomov 2020-11-12  408            return ret;
2f713615ddd9d80 Ilya Dryomov 2020-11-12  409  
2f713615ddd9d80 Ilya Dryomov 2020-11-12  410    __prepare_write_connect(con);
2f713615ddd9d80 Ilya Dryomov 2020-11-12  411    return 0;
2f713615ddd9d80 Ilya Dryomov 2020-11-12  412  }
2f713615ddd9d80 Ilya Dryomov 2020-11-12  413  

---
0-DAY CI Kernel Test Service, Intel Corporation
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