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ISO C99 and later do not support implicit function declarations Message-ID: <202307110516.V0qgum1Q-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: 202BF160002 X-Stat-Signature: cjbr9twyqb8zyy8huanamjxux6a93mne X-Rspam-User: X-HE-Tag: 1689024213-483588 X-HE-Meta: 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 duu8S8t7 8nYtmGzCjNAD9lCH7q/sFzQQ9cV1KfaZgLZa5qXqWEpXyxTrNq7HOndBVYJ4BnQFtpXPR1F0b2bt1RHVsw/Sy/k4W0HceoGTjnnSvvLbFmZuh6r/4FWdV0i2mg0arXxPw5eElD+w5pPCou4Q5Fpfeq9kNo7qruPQyP1FQEZeiKz36nVmMtNZHaWPKc95bGofqPZH93JszsB0NTRI6oYHqjPaRRsjmZQOOUC2pENE4H/n/N3opB38N0O2BCgizJ6sMBZ/dN3qJcc+d6yBwmR7oHYctndtJbUysXckJvLvYpbKz4Hk9burCtpKrI3I+Py765WgIdHcoe2eAaWquFRcndhnbOkVH00q28+NOZL2Iul3LEb6Q+FLzyTOCEfGISJ+qPqw3JObYG1CibU4WYt4hywQ0rC2URrh4PUEfJy0l/v15krC6kGwrWsYjo9nhqoT0uKdyHl9uXur6lZU= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: tree: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-unstable head: 17712b3b36c898462c3d31d4b47bd069e87359c5 commit: 7aeb1874c9d6e390a405529c7eec76d2486f65d8 [86/125] s390: mm: convert to GENERIC_IOREMAP config: s390-randconfig-r015-20230710 (https://download.01.org/0day-ci/archive/20230711/202307110516.V0qgum1Q-lkp@intel.com/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a) reproduce: (https://download.01.org/0day-ci/archive/20230711/202307110516.V0qgum1Q-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202307110516.V0qgum1Q-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from drivers/irqchip/irq-al-fic.c:7: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/s390/include/asm/io.h:78: include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 547 | val = __raw_readb(PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 560 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr)); | ~~~~~~~~~~ ^ include/uapi/linux/byteorder/big_endian.h:37:59: note: expanded from macro '__le16_to_cpu' 37 | #define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x)) | ^ include/uapi/linux/swab.h:102:54: note: expanded from macro '__swab16' 102 | #define __swab16(x) (__u16)__builtin_bswap16((__u16)(x)) | ^ In file included from drivers/irqchip/irq-al-fic.c:7: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/s390/include/asm/io.h:78: include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 573 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr)); | ~~~~~~~~~~ ^ include/uapi/linux/byteorder/big_endian.h:35:59: note: expanded from macro '__le32_to_cpu' 35 | #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x)) | ^ include/uapi/linux/swab.h:115:54: note: expanded from macro '__swab32' 115 | #define __swab32(x) (__u32)__builtin_bswap32((__u32)(x)) | ^ In file included from drivers/irqchip/irq-al-fic.c:7: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/s390/include/asm/io.h:78: include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 584 | __raw_writeb(value, PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 594 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 604 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:692:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 692 | readsb(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:700:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 700 | readsw(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:708:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 708 | readsl(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:717:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 717 | writesb(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:726:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 726 | writesw(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:735:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 735 | writesl(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ >> drivers/irqchip/irq-al-fic.c:281:2: error: call to undeclared function 'iounmap'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 281 | iounmap(base); | ^ arch/s390/include/asm/io.h:29:17: note: expanded from macro 'iounmap' 29 | #define iounmap iounmap | ^ drivers/irqchip/irq-al-fic.c:281:2: note: did you mean 'vunmap'? arch/s390/include/asm/io.h:29:17: note: expanded from macro 'iounmap' 29 | #define iounmap iounmap | ^ include/linux/vmalloc.h:167:13: note: 'vunmap' declared here 167 | extern void vunmap(const void *addr); | ^ 12 warnings and 1 error generated. vim +/iounmap +281 drivers/irqchip/irq-al-fic.c 1eb77c3bcdb70f Talel Shenhar 2019-06-10 236 1eb77c3bcdb70f Talel Shenhar 2019-06-10 237 static int __init al_fic_init_dt(struct device_node *node, 1eb77c3bcdb70f Talel Shenhar 2019-06-10 238 struct device_node *parent) 1eb77c3bcdb70f Talel Shenhar 2019-06-10 239 { 1eb77c3bcdb70f Talel Shenhar 2019-06-10 240 int ret; 1eb77c3bcdb70f Talel Shenhar 2019-06-10 241 void __iomem *base; 1eb77c3bcdb70f Talel Shenhar 2019-06-10 242 unsigned int parent_irq; 1eb77c3bcdb70f Talel Shenhar 2019-06-10 243 struct al_fic *fic; 1eb77c3bcdb70f Talel Shenhar 2019-06-10 244 1eb77c3bcdb70f Talel Shenhar 2019-06-10 245 if (!parent) { 1eb77c3bcdb70f Talel Shenhar 2019-06-10 246 pr_err("%s: unsupported - device require a parent\n", 1eb77c3bcdb70f Talel Shenhar 2019-06-10 247 node->name); 1eb77c3bcdb70f Talel Shenhar 2019-06-10 248 return -EINVAL; 1eb77c3bcdb70f Talel Shenhar 2019-06-10 249 } 1eb77c3bcdb70f Talel Shenhar 2019-06-10 250 1eb77c3bcdb70f Talel Shenhar 2019-06-10 251 base = of_iomap(node, 0); 1eb77c3bcdb70f Talel Shenhar 2019-06-10 252 if (!base) { 1eb77c3bcdb70f Talel Shenhar 2019-06-10 253 pr_err("%s: fail to map memory\n", node->name); 1eb77c3bcdb70f Talel Shenhar 2019-06-10 254 return -ENOMEM; 1eb77c3bcdb70f Talel Shenhar 2019-06-10 255 } 1eb77c3bcdb70f Talel Shenhar 2019-06-10 256 1eb77c3bcdb70f Talel Shenhar 2019-06-10 257 parent_irq = irq_of_parse_and_map(node, 0); 1eb77c3bcdb70f Talel Shenhar 2019-06-10 258 if (!parent_irq) { 1eb77c3bcdb70f Talel Shenhar 2019-06-10 259 pr_err("%s: fail to map irq\n", node->name); 1eb77c3bcdb70f Talel Shenhar 2019-06-10 260 ret = -EINVAL; 1eb77c3bcdb70f Talel Shenhar 2019-06-10 261 goto err_unmap; 1eb77c3bcdb70f Talel Shenhar 2019-06-10 262 } 1eb77c3bcdb70f Talel Shenhar 2019-06-10 263 1eb77c3bcdb70f Talel Shenhar 2019-06-10 264 fic = al_fic_wire_init(node, 1eb77c3bcdb70f Talel Shenhar 2019-06-10 265 base, 1eb77c3bcdb70f Talel Shenhar 2019-06-10 266 node->name, 1eb77c3bcdb70f Talel Shenhar 2019-06-10 267 parent_irq); 1eb77c3bcdb70f Talel Shenhar 2019-06-10 268 if (IS_ERR(fic)) { 1eb77c3bcdb70f Talel Shenhar 2019-06-10 269 pr_err("%s: fail to initialize irqchip (%lu)\n", 1eb77c3bcdb70f Talel Shenhar 2019-06-10 270 node->name, 1eb77c3bcdb70f Talel Shenhar 2019-06-10 271 PTR_ERR(fic)); 1eb77c3bcdb70f Talel Shenhar 2019-06-10 272 ret = PTR_ERR(fic); 1eb77c3bcdb70f Talel Shenhar 2019-06-10 273 goto err_irq_dispose; 1eb77c3bcdb70f Talel Shenhar 2019-06-10 274 } 1eb77c3bcdb70f Talel Shenhar 2019-06-10 275 1eb77c3bcdb70f Talel Shenhar 2019-06-10 276 return 0; 1eb77c3bcdb70f Talel Shenhar 2019-06-10 277 1eb77c3bcdb70f Talel Shenhar 2019-06-10 278 err_irq_dispose: 1eb77c3bcdb70f Talel Shenhar 2019-06-10 279 irq_dispose_mapping(parent_irq); 1eb77c3bcdb70f Talel Shenhar 2019-06-10 280 err_unmap: 1eb77c3bcdb70f Talel Shenhar 2019-06-10 @281 iounmap(base); 1eb77c3bcdb70f Talel Shenhar 2019-06-10 282 1eb77c3bcdb70f Talel Shenhar 2019-06-10 283 return ret; 1eb77c3bcdb70f Talel Shenhar 2019-06-10 284 } 1eb77c3bcdb70f Talel Shenhar 2019-06-10 285 :::::: The code at line 281 was first introduced by commit :::::: 1eb77c3bcdb70f2501f419b3da45b19acaf01072 irqchip/al-fic: Introduce Amazon's Annapurna Labs Fabric Interrupt Controller Driver :::::: TO: Talel Shenhar :::::: CC: Marc Zyngier -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki