18c2ecf20Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0-only 28c2ecf20Sopenharmony_ci/// 38c2ecf20Sopenharmony_ci/// Use *_pool_zalloc rather than *_pool_alloc followed by memset with 0 48c2ecf20Sopenharmony_ci/// 58c2ecf20Sopenharmony_ci// Copyright: (C) 2015 Intel Corp. 68c2ecf20Sopenharmony_ci// Options: --no-includes --include-headers 78c2ecf20Sopenharmony_ci// 88c2ecf20Sopenharmony_ci// Keywords: dma_pool_zalloc, pci_pool_zalloc 98c2ecf20Sopenharmony_ci// 108c2ecf20Sopenharmony_ci 118c2ecf20Sopenharmony_civirtual context 128c2ecf20Sopenharmony_civirtual patch 138c2ecf20Sopenharmony_civirtual org 148c2ecf20Sopenharmony_civirtual report 158c2ecf20Sopenharmony_ci 168c2ecf20Sopenharmony_ci//---------------------------------------------------------- 178c2ecf20Sopenharmony_ci// For context mode 188c2ecf20Sopenharmony_ci//---------------------------------------------------------- 198c2ecf20Sopenharmony_ci 208c2ecf20Sopenharmony_ci@depends on context@ 218c2ecf20Sopenharmony_ciexpression x; 228c2ecf20Sopenharmony_cistatement S; 238c2ecf20Sopenharmony_ci@@ 248c2ecf20Sopenharmony_ci 258c2ecf20Sopenharmony_ci* x = \(dma_pool_alloc\|pci_pool_alloc\)(...); 268c2ecf20Sopenharmony_ci if ((x==NULL) || ...) S 278c2ecf20Sopenharmony_ci* memset(x,0, ...); 288c2ecf20Sopenharmony_ci 298c2ecf20Sopenharmony_ci//---------------------------------------------------------- 308c2ecf20Sopenharmony_ci// For patch mode 318c2ecf20Sopenharmony_ci//---------------------------------------------------------- 328c2ecf20Sopenharmony_ci 338c2ecf20Sopenharmony_ci@depends on patch@ 348c2ecf20Sopenharmony_ciexpression x; 358c2ecf20Sopenharmony_ciexpression a,b,c; 368c2ecf20Sopenharmony_cistatement S; 378c2ecf20Sopenharmony_ci@@ 388c2ecf20Sopenharmony_ci 398c2ecf20Sopenharmony_ci- x = dma_pool_alloc(a,b,c); 408c2ecf20Sopenharmony_ci+ x = dma_pool_zalloc(a,b,c); 418c2ecf20Sopenharmony_ci if ((x==NULL) || ...) S 428c2ecf20Sopenharmony_ci- memset(x,0,...); 438c2ecf20Sopenharmony_ci 448c2ecf20Sopenharmony_ci@depends on patch@ 458c2ecf20Sopenharmony_ciexpression x; 468c2ecf20Sopenharmony_ciexpression a,b,c; 478c2ecf20Sopenharmony_cistatement S; 488c2ecf20Sopenharmony_ci@@ 498c2ecf20Sopenharmony_ci 508c2ecf20Sopenharmony_ci- x = pci_pool_alloc(a,b,c); 518c2ecf20Sopenharmony_ci+ x = pci_pool_zalloc(a,b,c); 528c2ecf20Sopenharmony_ci if ((x==NULL) || ...) S 538c2ecf20Sopenharmony_ci- memset(x,0,...); 548c2ecf20Sopenharmony_ci 558c2ecf20Sopenharmony_ci//---------------------------------------------------------- 568c2ecf20Sopenharmony_ci// For org and report mode 578c2ecf20Sopenharmony_ci//---------------------------------------------------------- 588c2ecf20Sopenharmony_ci 598c2ecf20Sopenharmony_ci@r depends on org || report@ 608c2ecf20Sopenharmony_ciexpression x; 618c2ecf20Sopenharmony_ciexpression a,b,c; 628c2ecf20Sopenharmony_cistatement S; 638c2ecf20Sopenharmony_ciposition p; 648c2ecf20Sopenharmony_ci@@ 658c2ecf20Sopenharmony_ci 668c2ecf20Sopenharmony_ci x = @p\(dma_pool_alloc\|pci_pool_alloc\)(a,b,c); 678c2ecf20Sopenharmony_ci if ((x==NULL) || ...) S 688c2ecf20Sopenharmony_ci memset(x,0, ...); 698c2ecf20Sopenharmony_ci 708c2ecf20Sopenharmony_ci@script:python depends on org@ 718c2ecf20Sopenharmony_cip << r.p; 728c2ecf20Sopenharmony_cix << r.x; 738c2ecf20Sopenharmony_ci@@ 748c2ecf20Sopenharmony_ci 758c2ecf20Sopenharmony_cimsg="%s" % (x) 768c2ecf20Sopenharmony_cimsg_safe=msg.replace("[","@(").replace("]",")") 778c2ecf20Sopenharmony_cicoccilib.org.print_todo(p[0], msg_safe) 788c2ecf20Sopenharmony_ci 798c2ecf20Sopenharmony_ci@script:python depends on report@ 808c2ecf20Sopenharmony_cip << r.p; 818c2ecf20Sopenharmony_cix << r.x; 828c2ecf20Sopenharmony_ci@@ 838c2ecf20Sopenharmony_ci 848c2ecf20Sopenharmony_cimsg="WARNING: *_pool_zalloc should be used for %s, instead of *_pool_alloc/memset" % (x) 858c2ecf20Sopenharmony_cicoccilib.report.print_report(p[0], msg) 86