diff options
Diffstat (limited to 'scripts')
| -rw-r--r-- | scripts/coccinelle/api/setup_timer.cocci | 277 |
1 files changed, 0 insertions, 277 deletions
diff --git a/scripts/coccinelle/api/setup_timer.cocci b/scripts/coccinelle/api/setup_timer.cocci deleted file mode 100644 index e4577089dcb9..000000000000 --- a/scripts/coccinelle/api/setup_timer.cocci +++ /dev/null | |||
| @@ -1,277 +0,0 @@ | |||
| 1 | /// Use setup_timer function instead of initializing timer with the function | ||
| 2 | /// and data fields | ||
| 3 | // Confidence: High | ||
| 4 | // Copyright: (C) 2016 Vaishali Thakkar, Oracle. GPLv2 | ||
| 5 | // Copyright: (C) 2017 Kees Cook, Google. GPLv2 | ||
| 6 | // Options: --no-includes --include-headers | ||
| 7 | // Keywords: init_timer, setup_timer | ||
| 8 | |||
| 9 | virtual patch | ||
| 10 | virtual context | ||
| 11 | virtual org | ||
| 12 | virtual report | ||
| 13 | |||
| 14 | // Match the common cases first to avoid Coccinelle parsing loops with | ||
| 15 | // "... when" clauses. | ||
| 16 | |||
| 17 | @match_immediate_function_data_after_init_timer | ||
| 18 | depends on patch && !context && !org && !report@ | ||
| 19 | expression e, func, da; | ||
| 20 | @@ | ||
| 21 | |||
| 22 | -init_timer | ||
| 23 | +setup_timer | ||
| 24 | ( \(&e\|e\) | ||
| 25 | +, func, da | ||
| 26 | ); | ||
| 27 | ( | ||
| 28 | -\(e.function\|e->function\) = func; | ||
| 29 | -\(e.data\|e->data\) = da; | ||
| 30 | | | ||
| 31 | -\(e.data\|e->data\) = da; | ||
| 32 | -\(e.function\|e->function\) = func; | ||
| 33 | ) | ||
| 34 | |||
| 35 | @match_immediate_function_data_before_init_timer | ||
| 36 | depends on patch && !context && !org && !report@ | ||
| 37 | expression e, func, da; | ||
| 38 | @@ | ||
| 39 | |||
| 40 | ( | ||
| 41 | -\(e.function\|e->function\) = func; | ||
| 42 | -\(e.data\|e->data\) = da; | ||
| 43 | | | ||
| 44 | -\(e.data\|e->data\) = da; | ||
| 45 | -\(e.function\|e->function\) = func; | ||
| 46 | ) | ||
| 47 | -init_timer | ||
| 48 | +setup_timer | ||
| 49 | ( \(&e\|e\) | ||
| 50 | +, func, da | ||
| 51 | ); | ||
| 52 | |||
| 53 | @match_function_and_data_after_init_timer | ||
| 54 | depends on patch && !context && !org && !report@ | ||
| 55 | expression e, e2, e3, e4, e5, func, da; | ||
| 56 | @@ | ||
| 57 | |||
| 58 | -init_timer | ||
| 59 | +setup_timer | ||
| 60 | ( \(&e\|e\) | ||
| 61 | +, func, da | ||
| 62 | ); | ||
| 63 | ... when != func = e2 | ||
| 64 | when != da = e3 | ||
| 65 | ( | ||
| 66 | -e.function = func; | ||
| 67 | ... when != da = e4 | ||
| 68 | -e.data = da; | ||
| 69 | | | ||
| 70 | -e->function = func; | ||
| 71 | ... when != da = e4 | ||
| 72 | -e->data = da; | ||
| 73 | | | ||
| 74 | -e.data = da; | ||
| 75 | ... when != func = e5 | ||
| 76 | -e.function = func; | ||
| 77 | | | ||
| 78 | -e->data = da; | ||
| 79 | ... when != func = e5 | ||
| 80 | -e->function = func; | ||
| 81 | ) | ||
| 82 | |||
| 83 | @match_function_and_data_before_init_timer | ||
| 84 | depends on patch && !context && !org && !report@ | ||
| 85 | expression e, e2, e3, e4, e5, func, da; | ||
| 86 | @@ | ||
| 87 | ( | ||
| 88 | -e.function = func; | ||
| 89 | ... when != da = e4 | ||
| 90 | -e.data = da; | ||
| 91 | | | ||
| 92 | -e->function = func; | ||
| 93 | ... when != da = e4 | ||
| 94 | -e->data = da; | ||
| 95 | | | ||
| 96 | -e.data = da; | ||
| 97 | ... when != func = e5 | ||
| 98 | -e.function = func; | ||
| 99 | | | ||
| 100 | -e->data = da; | ||
| 101 | ... when != func = e5 | ||
| 102 | -e->function = func; | ||
| 103 | ) | ||
| 104 | ... when != func = e2 | ||
| 105 | when != da = e3 | ||
| 106 | -init_timer | ||
| 107 | +setup_timer | ||
| 108 | ( \(&e\|e\) | ||
| 109 | +, func, da | ||
| 110 | ); | ||
| 111 | |||
| 112 | @r1 exists@ | ||
| 113 | expression t; | ||
| 114 | identifier f; | ||
| 115 | position p; | ||
| 116 | @@ | ||
| 117 | |||
| 118 | f(...) { ... when any | ||
| 119 | init_timer@p(\(&t\|t\)) | ||
| 120 | ... when any | ||
| 121 | } | ||
| 122 | |||
| 123 | @r2 exists@ | ||
| 124 | expression r1.t; | ||
| 125 | identifier g != r1.f; | ||
| 126 | expression e8; | ||
| 127 | @@ | ||
| 128 | |||
| 129 | g(...) { ... when any | ||
| 130 | \(t.data\|t->data\) = e8 | ||
| 131 | ... when any | ||
| 132 | } | ||
| 133 | |||
| 134 | // It is dangerous to use setup_timer if data field is initialized | ||
| 135 | // in another function. | ||
| 136 | |||
| 137 | @script:python depends on r2@ | ||
| 138 | p << r1.p; | ||
| 139 | @@ | ||
| 140 | |||
| 141 | cocci.include_match(False) | ||
| 142 | |||
| 143 | @r3 depends on patch && !context && !org && !report@ | ||
| 144 | expression r1.t, func, e7; | ||
| 145 | position r1.p; | ||
| 146 | @@ | ||
| 147 | |||
| 148 | ( | ||
| 149 | -init_timer@p(&t); | ||
| 150 | +setup_timer(&t, func, 0UL); | ||
| 151 | ... when != func = e7 | ||
| 152 | -t.function = func; | ||
| 153 | | | ||
| 154 | -t.function = func; | ||
| 155 | ... when != func = e7 | ||
| 156 | -init_timer@p(&t); | ||
| 157 | +setup_timer(&t, func, 0UL); | ||
| 158 | | | ||
| 159 | -init_timer@p(t); | ||
| 160 | +setup_timer(t, func, 0UL); | ||
| 161 | ... when != func = e7 | ||
| 162 | -t->function = func; | ||
| 163 | | | ||
| 164 | -t->function = func; | ||
| 165 | ... when != func = e7 | ||
| 166 | -init_timer@p(t); | ||
| 167 | +setup_timer(t, func, 0UL); | ||
| 168 | ) | ||
| 169 | |||
| 170 | // ---------------------------------------------------------------------------- | ||
| 171 | |||
| 172 | @match_immediate_function_data_after_init_timer_context | ||
| 173 | depends on !patch && (context || org || report)@ | ||
| 174 | expression da, e, func; | ||
| 175 | position j0, j1, j2; | ||
| 176 | @@ | ||
| 177 | |||
| 178 | * init_timer@j0 (&e); | ||
| 179 | ( | ||
| 180 | * e@j1.function = func; | ||
| 181 | * e@j2.data = da; | ||
| 182 | | | ||
| 183 | * e@j1.data = da; | ||
| 184 | * e@j2.function = func; | ||
| 185 | ) | ||
| 186 | |||
| 187 | @match_function_and_data_after_init_timer_context | ||
| 188 | depends on !patch && (context || org || report)@ | ||
| 189 | expression a, b, e1, e2, e3, e4, e5; | ||
| 190 | position j0 != match_immediate_function_data_after_init_timer_context.j0,j1,j2; | ||
| 191 | @@ | ||
| 192 | |||
| 193 | * init_timer@j0 (&e1); | ||
| 194 | ... when != a = e2 | ||
| 195 | when != b = e3 | ||
| 196 | ( | ||
| 197 | * e1@j1.function = a; | ||
| 198 | ... when != b = e4 | ||
| 199 | * e1@j2.data = b; | ||
| 200 | | | ||
| 201 | * e1@j1.data = b; | ||
| 202 | ... when != a = e5 | ||
| 203 | * e1@j2.function = a; | ||
| 204 | ) | ||
| 205 | |||
| 206 | @r3_context depends on !patch && (context || org || report)@ | ||
| 207 | expression c, e6, e7; | ||
| 208 | position r1.p; | ||
| 209 | position j0 != | ||
| 210 | {match_immediate_function_data_after_init_timer_context.j0, | ||
| 211 | match_function_and_data_after_init_timer_context.j0}, j1; | ||
| 212 | @@ | ||
| 213 | |||
| 214 | * init_timer@j0@p (&e6); | ||
| 215 | ... when != c = e7 | ||
| 216 | * e6@j1.function = c; | ||
| 217 | |||
| 218 | // ---------------------------------------------------------------------------- | ||
| 219 | |||
| 220 | @script:python match_immediate_function_data_after_init_timer_org | ||
| 221 | depends on org@ | ||
| 222 | j0 << match_immediate_function_data_after_init_timer_context.j0; | ||
| 223 | j1 << match_immediate_function_data_after_init_timer_context.j1; | ||
| 224 | j2 << match_immediate_function_data_after_init_timer_context.j2; | ||
| 225 | @@ | ||
| 226 | |||
| 227 | msg = "Use setup_timer function." | ||
| 228 | coccilib.org.print_todo(j0[0], msg) | ||
| 229 | coccilib.org.print_link(j1[0], "") | ||
| 230 | coccilib.org.print_link(j2[0], "") | ||
| 231 | |||
| 232 | @script:python match_function_and_data_after_init_timer_org depends on org@ | ||
| 233 | j0 << match_function_and_data_after_init_timer_context.j0; | ||
| 234 | j1 << match_function_and_data_after_init_timer_context.j1; | ||
| 235 | j2 << match_function_and_data_after_init_timer_context.j2; | ||
| 236 | @@ | ||
| 237 | |||
| 238 | msg = "Use setup_timer function." | ||
| 239 | coccilib.org.print_todo(j0[0], msg) | ||
| 240 | coccilib.org.print_link(j1[0], "") | ||
| 241 | coccilib.org.print_link(j2[0], "") | ||
| 242 | |||
| 243 | @script:python r3_org depends on org@ | ||
| 244 | j0 << r3_context.j0; | ||
| 245 | j1 << r3_context.j1; | ||
| 246 | @@ | ||
| 247 | |||
| 248 | msg = "Use setup_timer function." | ||
| 249 | coccilib.org.print_todo(j0[0], msg) | ||
| 250 | coccilib.org.print_link(j1[0], "") | ||
| 251 | |||
| 252 | // ---------------------------------------------------------------------------- | ||
| 253 | |||
| 254 | @script:python match_immediate_function_data_after_init_timer_report | ||
| 255 | depends on report@ | ||
| 256 | j0 << match_immediate_function_data_after_init_timer_context.j0; | ||
| 257 | j1 << match_immediate_function_data_after_init_timer_context.j1; | ||
| 258 | @@ | ||
| 259 | |||
| 260 | msg = "Use setup_timer function for function on line %s." % (j1[0].line) | ||
| 261 | coccilib.report.print_report(j0[0], msg) | ||
| 262 | |||
| 263 | @script:python match_function_and_data_after_init_timer_report depends on report@ | ||
| 264 | j0 << match_function_and_data_after_init_timer_context.j0; | ||
| 265 | j1 << match_function_and_data_after_init_timer_context.j1; | ||
| 266 | @@ | ||
| 267 | |||
| 268 | msg = "Use setup_timer function for function on line %s." % (j1[0].line) | ||
| 269 | coccilib.report.print_report(j0[0], msg) | ||
| 270 | |||
| 271 | @script:python r3_report depends on report@ | ||
| 272 | j0 << r3_context.j0; | ||
| 273 | j1 << r3_context.j1; | ||
| 274 | @@ | ||
| 275 | |||
| 276 | msg = "Use setup_timer function for function on line %s." % (j1[0].line) | ||
| 277 | coccilib.report.print_report(j0[0], msg) | ||
