18c2ecf20Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0-only 28c2ecf20Sopenharmony_ci/// 38c2ecf20Sopenharmony_ci/// Please, don't reintroduce uninitialized_var(). 48c2ecf20Sopenharmony_ci/// From Documentation/process/deprecated.rst: 58c2ecf20Sopenharmony_ci/// For any compiler warnings about uninitialized variables, just add 68c2ecf20Sopenharmony_ci/// an initializer. Using warning-silencing tricks is dangerous as it 78c2ecf20Sopenharmony_ci/// papers over real bugs (or can in the future), and suppresses unrelated 88c2ecf20Sopenharmony_ci/// compiler warnings (e.g. "unused variable"). If the compiler thinks it 98c2ecf20Sopenharmony_ci/// is uninitialized, either simply initialize the variable or make compiler 108c2ecf20Sopenharmony_ci/// changes. Keep in mind that in most cases, if an initialization is 118c2ecf20Sopenharmony_ci/// obviously redundant, the compiler's dead-store elimination pass will make 128c2ecf20Sopenharmony_ci/// sure there are no needless variable writes. 138c2ecf20Sopenharmony_ci/// 148c2ecf20Sopenharmony_ci// Confidence: High 158c2ecf20Sopenharmony_ci// Copyright: (C) 2020 Denis Efremov ISPRAS 168c2ecf20Sopenharmony_ci// Options: --no-includes --include-headers 178c2ecf20Sopenharmony_ci// 188c2ecf20Sopenharmony_ci 198c2ecf20Sopenharmony_civirtual context 208c2ecf20Sopenharmony_civirtual report 218c2ecf20Sopenharmony_civirtual org 228c2ecf20Sopenharmony_ci 238c2ecf20Sopenharmony_ci@r@ 248c2ecf20Sopenharmony_ciidentifier var; 258c2ecf20Sopenharmony_citype T; 268c2ecf20Sopenharmony_ciposition p; 278c2ecf20Sopenharmony_ci@@ 288c2ecf20Sopenharmony_ci 298c2ecf20Sopenharmony_ci( 308c2ecf20Sopenharmony_ci* T var =@p var; 318c2ecf20Sopenharmony_ci| 328c2ecf20Sopenharmony_ci* T var =@p *(&(var)); 338c2ecf20Sopenharmony_ci| 348c2ecf20Sopenharmony_ci* var =@p var 358c2ecf20Sopenharmony_ci| 368c2ecf20Sopenharmony_ci* var =@p *(&(var)) 378c2ecf20Sopenharmony_ci) 388c2ecf20Sopenharmony_ci 398c2ecf20Sopenharmony_ci@script:python depends on report@ 408c2ecf20Sopenharmony_cip << r.p; 418c2ecf20Sopenharmony_ci@@ 428c2ecf20Sopenharmony_ci 438c2ecf20Sopenharmony_cicoccilib.report.print_report(p[0], 448c2ecf20Sopenharmony_ci "WARNING this kind of initialization is deprecated (https://www.kernel.org/doc/html/latest/process/deprecated.html#uninitialized-var)") 458c2ecf20Sopenharmony_ci 468c2ecf20Sopenharmony_ci@script:python depends on org@ 478c2ecf20Sopenharmony_cip << r.p; 488c2ecf20Sopenharmony_ci@@ 498c2ecf20Sopenharmony_ci 508c2ecf20Sopenharmony_cicoccilib.org.print_todo(p[0], 518c2ecf20Sopenharmony_ci "WARNING this kind of initialization is deprecated (https://www.kernel.org/doc/html/latest/process/deprecated.html#uninitialized-var)") 52