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TO: Szuying Chen <[email protected]>
TO: [email protected]
TO: [email protected]
TO: [email protected]
TO: [email protected]
TO: [email protected]
TO: [email protected]
TO: [email protected]
TO: [email protected]
CC: [email protected]
CC: [email protected]
CC: [email protected]

Hi Szuying,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on v6.0-rc1 next-20220819]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    
https://github.com/intel-lab-lkp/linux/commits/Szuying-Chen/thunderbolt-thunderbolt-add-vendor-s-NVM-formats/20220816-193757
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 
568035b01cfb107af8d2e4bd2fb9aea22cf5b868
:::::: branch date: 4 days ago
:::::: commit date: 4 days ago
config: i386-randconfig-m021 
(https://download.01.org/0day-ci/archive/20220821/[email protected]/config)
compiler: gcc-11 (Debian 11.3.0-5) 11.3.0

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

New smatch warnings:
drivers/thunderbolt/nvm.c:107 asmedia_nvm_validate() warn: statement has no 
effect 3

Old smatch warnings:
drivers/thunderbolt/nvm.c:160 tb_nvm_validate() warn: inconsistent indenting

vim +107 drivers/thunderbolt/nvm.c

16b15f1135451c Szuying Chen 2022-08-16   61  
16b15f1135451c Szuying Chen 2022-08-16   62  static int 
asmedia_nvm_validate(struct tb_switch *sw, unsigned int mode)
16b15f1135451c Szuying Chen 2022-08-16   63  {
16b15f1135451c Szuying Chen 2022-08-16   64     struct tb_nvm *nvm;
16b15f1135451c Szuying Chen 2022-08-16   65     u32 val;
16b15f1135451c Szuying Chen 2022-08-16   66     u32 nvm_size;
16b15f1135451c Szuying Chen 2022-08-16   67     int ret = 0;
16b15f1135451c Szuying Chen 2022-08-16   68     unsigned int image_size;
16b15f1135451c Szuying Chen 2022-08-16   69  
16b15f1135451c Szuying Chen 2022-08-16   70     switch (mode) {
16b15f1135451c Szuying Chen 2022-08-16   71     case NVM_UPGRADE:
16b15f1135451c Szuying Chen 2022-08-16   72             if (sw->no_nvm_upgrade)
16b15f1135451c Szuying Chen 2022-08-16   73                     
sw->no_nvm_upgrade = false;
16b15f1135451c Szuying Chen 2022-08-16   74  
16b15f1135451c Szuying Chen 2022-08-16   75             break;
16b15f1135451c Szuying Chen 2022-08-16   76  
16b15f1135451c Szuying Chen 2022-08-16   77     case NVM_ADD:
16b15f1135451c Szuying Chen 2022-08-16   78             nvm = 
tb_nvm_alloc(&sw->dev);
16b15f1135451c Szuying Chen 2022-08-16   79             if (IS_ERR(nvm)) {
16b15f1135451c Szuying Chen 2022-08-16   80                     ret = 
PTR_ERR(nvm);
16b15f1135451c Szuying Chen 2022-08-16   81                     break;
16b15f1135451c Szuying Chen 2022-08-16   82             }
16b15f1135451c Szuying Chen 2022-08-16   83  
16b15f1135451c Szuying Chen 2022-08-16   84             ret = 
usb4_switch_nvm_read(sw, ASMEDIA_NVM_VERSION, &val, sizeof(val));
16b15f1135451c Szuying Chen 2022-08-16   85             if (ret)
16b15f1135451c Szuying Chen 2022-08-16   86                     break;
16b15f1135451c Szuying Chen 2022-08-16   87  
16b15f1135451c Szuying Chen 2022-08-16   88             nvm->nvm_asm.major = 
(((u8)val) << 0x10 | ((u8)(val >> 0x8)) << 0x8 | (u8)(val >> 0x10));
16b15f1135451c Szuying Chen 2022-08-16   89             ret = 
usb4_switch_nvm_read(sw, ASMEDIA_NVM_DATE, &val, sizeof(val));
16b15f1135451c Szuying Chen 2022-08-16   90             if (ret)
16b15f1135451c Szuying Chen 2022-08-16   91                     break;
16b15f1135451c Szuying Chen 2022-08-16   92  
16b15f1135451c Szuying Chen 2022-08-16   93             nvm->nvm_asm.minor = 
(((u8)val) << 0x10 | ((u8)(val >> 0x8)) << 0x8 | (u8)(val >> 0x10));
16b15f1135451c Szuying Chen 2022-08-16   94             nvm_size = SZ_512K;
16b15f1135451c Szuying Chen 2022-08-16   95             ret = 
tb_nvm_add_active(nvm, nvm_size, tb_switch_nvm_read);
16b15f1135451c Szuying Chen 2022-08-16   96             if (ret)
16b15f1135451c Szuying Chen 2022-08-16   97                     break;
16b15f1135451c Szuying Chen 2022-08-16   98  
16b15f1135451c Szuying Chen 2022-08-16   99             ret = 
tb_nvm_add_non_active(nvm, NVM_MAX_SIZE, tb_switch_nvm_write);
16b15f1135451c Szuying Chen 2022-08-16  100             if (ret)
16b15f1135451c Szuying Chen 2022-08-16  101                     break;
16b15f1135451c Szuying Chen 2022-08-16  102  
16b15f1135451c Szuying Chen 2022-08-16  103             sw->nvm = nvm;
16b15f1135451c Szuying Chen 2022-08-16  104             break;
16b15f1135451c Szuying Chen 2022-08-16  105  
16b15f1135451c Szuying Chen 2022-08-16  106     case NVM_WRITE:
16b15f1135451c Szuying Chen 2022-08-16 @107             const u8 *buf = 
sw->nvm->buf;
16b15f1135451c Szuying Chen 2022-08-16  108  
16b15f1135451c Szuying Chen 2022-08-16  109             if (!buf) {
16b15f1135451c Szuying Chen 2022-08-16  110                     ret = -EINVAL;
16b15f1135451c Szuying Chen 2022-08-16  111                     break;
16b15f1135451c Szuying Chen 2022-08-16  112             }
16b15f1135451c Szuying Chen 2022-08-16  113             image_size = 
sw->nvm->buf_data_size;
16b15f1135451c Szuying Chen 2022-08-16  114             if (image_size < 
NVM_MIN_SIZE || image_size > NVM_MAX_SIZE) {
16b15f1135451c Szuying Chen 2022-08-16  115                     ret = -EINVAL;
16b15f1135451c Szuying Chen 2022-08-16  116                     break;
16b15f1135451c Szuying Chen 2022-08-16  117             }
16b15f1135451c Szuying Chen 2022-08-16  118             ret = 
usb4_switch_nvm_write(sw, 0, buf, image_size);
16b15f1135451c Szuying Chen 2022-08-16  119             if (!ret)
16b15f1135451c Szuying Chen 2022-08-16  120                     
sw->nvm->flushed = true;
16b15f1135451c Szuying Chen 2022-08-16  121  
16b15f1135451c Szuying Chen 2022-08-16  122             break;
16b15f1135451c Szuying Chen 2022-08-16  123  
16b15f1135451c Szuying Chen 2022-08-16  124     default:
16b15f1135451c Szuying Chen 2022-08-16  125             break;
16b15f1135451c Szuying Chen 2022-08-16  126     }
16b15f1135451c Szuying Chen 2022-08-16  127  
16b15f1135451c Szuying Chen 2022-08-16  128     if ((mode == NVM_ADD) && (ret 
!= 0))
16b15f1135451c Szuying Chen 2022-08-16  129             tb_nvm_free(sw->nvm);
16b15f1135451c Szuying Chen 2022-08-16  130  
16b15f1135451c Szuying Chen 2022-08-16  131     return ret;
16b15f1135451c Szuying Chen 2022-08-16  132  }
16b15f1135451c Szuying Chen 2022-08-16  133  

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp
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