编译器警告

[qingtian110]

大佬，有办法修复编译过程中的编译器警告吗？虽然不影响 ko 的编译，但是如果能解决这些警告看着舒服很多

kernel ：5.10.110
gcc: gcc11.2.0

~/kmod/oaf/af_utils.c: In function 'k_vsscanf':
~/kmod/oaf/af_utils.c:209:30: warning: this statement may fall through [-Wimplicit-fallthrough=]
  209 |                         base = 0;
      |                         ~~~~~^~~
~/kmod/oaf/af_utils.c:210:17: note: here
  210 |                 case 'd':
      |                 ^~~~
~/kmod/oaf/cJSON.c: In function 'parse_string':
~/kmod/oaf/cJSON.c:173:91: warning: this statement may fall through [-Wimplicit-fallthrough=]
  173 |                                                 case 3: *--ptr2 =((uc | 0x80) & 0xBF); uc >>= 6;
      |                                                                                        ~~~^~~~~
~/kmod/oaf/cJSON.c:174:49: note: here
  174 |                                                 case 2: *--ptr2 =((uc | 0x80) & 0xBF); uc >>= 6;
      |                                                 ^~~~
~/kmod/oaf/cJSON.c:174:91: warning: this statement may fall through [-Wimplicit-fallthrough=]
  174 |                                                 case 2: *--ptr2 =((uc | 0x80) & 0xBF); uc >>= 6;
      |                                                                                        ~~~^~~~~
~/kmod/oaf/cJSON.c:175:49: note: here
  175 |                                                 case 1: *--ptr2 =(uc | firstByteMark[len]);
      |                                                 ^~~~
~/kmod/oaf/regexp.c:223:58: warning: missing braces around initializer [-Wmissing-braces]
  223 | static int (*matchfun[TYPENUM][2])(RE *, RE *, char *) = {
      |                                                          ^
  224 |         0, 0, 0, 0, 0, 0, 0, 0,
      |         {   } {   } {   } {   }
  225 |         matchstar, matchstar_l,
      |         {                     }
  226 |         matchplus, matchplus_l,
      |         {                     }
  227 |         matchques, matchques,
      |         {
  228 | };
      | }
~/kmod/oaf/regexp.c: In function 'regexp_match':
~/kmod/oaf/regexp.c:264:20: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
  264 |                 if(ret = matchhere(regexp, text))
      |                    ^~~
~/kmod/oaf/app_filter.c: In function 'load_feature_buf_from_file':
~/kmod/oaf/app_filter.c:238:23: warning: unused variable 'fs' [-Wunused-variable]
  238 |          mm_segment_t fs;
      |