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Date: Wed, 29 Sep 2021 03:28:13 +0800
From: kernel test robot <lkp@...el.com>
To: Lauri Kasanen <cand@....com>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
Thomas Bogendoerfer <tsbogend@...ha.franken.de>
Subject: arch/mips/boot/compressed/decompress.c:38:6: warning: no previous
prototype for 'error'
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 6fd3ec5c7af58d5d6b598fba22ac387645af33f4
commit: baec970aa5ba11099ad7a91773350c91fb2113f0 mips: Add N64 machine type
date: 8 months ago
config: mips-randconfig-r003-20210928 (attached as .config)
compiler: mips64-linux-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=baec970aa5ba11099ad7a91773350c91fb2113f0
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout baec970aa5ba11099ad7a91773350c91fb2113f0
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=mips
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
>> arch/mips/boot/compressed/decompress.c:38:6: warning: no previous prototype for 'error' [-Wmissing-prototypes]
38 | void error(char *x)
| ^~~~~
In file included from arch/mips/boot/compressed/decompress.c:68:
arch/mips/boot/compressed/../../../../lib/decompress_unlzo.c: In function 'parse_header':
arch/mips/boot/compressed/../../../../lib/decompress_unlzo.c:46:12: warning: variable 'level' set but not used [-Wunused-but-set-variable]
46 | u8 level = 0;
| ^~~~~
arch/mips/boot/compressed/decompress.c: At top level:
>> arch/mips/boot/compressed/decompress.c:81:6: warning: no previous prototype for '__stack_chk_fail' [-Wmissing-prototypes]
81 | void __stack_chk_fail(void)
| ^~~~~~~~~~~~~~~~
>> arch/mips/boot/compressed/decompress.c:86:6: warning: no previous prototype for 'decompress_kernel' [-Wmissing-prototypes]
86 | void decompress_kernel(unsigned long boot_heap_start)
| ^~~~~~~~~~~~~~~~~
--
>> arch/mips/boot/compressed/string.c:11:7: warning: no previous prototype for 'memcpy' [-Wmissing-prototypes]
11 | void *memcpy(void *dest, const void *src, size_t n)
| ^~~~~~
>> arch/mips/boot/compressed/string.c:22:7: warning: no previous prototype for 'memset' [-Wmissing-prototypes]
22 | void *memset(void *s, int c, size_t n)
| ^~~~~~
>> arch/mips/boot/compressed/string.c:32:15: warning: no previous prototype for 'memmove' [-Wmissing-prototypes]
32 | void * __weak memmove(void *dest, const void *src, size_t n)
| ^~~~~~~
--
>> arch/mips/boot/compressed/dbg.c:12:13: warning: no previous prototype for 'putc' [-Wmissing-prototypes]
12 | void __weak putc(char c)
| ^~~~
>> arch/mips/boot/compressed/dbg.c:16:6: warning: no previous prototype for 'puts' [-Wmissing-prototypes]
16 | void puts(const char *s)
| ^~~~
>> arch/mips/boot/compressed/dbg.c:26:6: warning: no previous prototype for 'puthex' [-Wmissing-prototypes]
26 | void puthex(unsigned long long val)
| ^~~~~~
vim +/error +38 arch/mips/boot/compressed/decompress.c
b8f54f2cde7886 Jonas Gorski 2016-06-20 37
1b93b3c3e94be2 Wu Zhangjin 2009-10-14 @38 void error(char *x)
1b93b3c3e94be2 Wu Zhangjin 2009-10-14 39 {
1b93b3c3e94be2 Wu Zhangjin 2009-10-14 40 puts("\n\n");
1b93b3c3e94be2 Wu Zhangjin 2009-10-14 41 puts(x);
1b93b3c3e94be2 Wu Zhangjin 2009-10-14 42 puts("\n\n -- System halted");
1b93b3c3e94be2 Wu Zhangjin 2009-10-14 43
1b93b3c3e94be2 Wu Zhangjin 2009-10-14 44 while (1)
1b93b3c3e94be2 Wu Zhangjin 2009-10-14 45 ; /* Halt */
1b93b3c3e94be2 Wu Zhangjin 2009-10-14 46 }
1b93b3c3e94be2 Wu Zhangjin 2009-10-14 47
1b93b3c3e94be2 Wu Zhangjin 2009-10-14 48 /* activate the code for pre-boot environment */
1b93b3c3e94be2 Wu Zhangjin 2009-10-14 49 #define STATIC static
1b93b3c3e94be2 Wu Zhangjin 2009-10-14 50
4e23eb631c8409 Florian Fainelli 2013-09-11 51 #ifdef CONFIG_KERNEL_GZIP
1b93b3c3e94be2 Wu Zhangjin 2009-10-14 52 #include "../../../../lib/decompress_inflate.c"
1b93b3c3e94be2 Wu Zhangjin 2009-10-14 53 #endif
1b93b3c3e94be2 Wu Zhangjin 2009-10-14 54
1b93b3c3e94be2 Wu Zhangjin 2009-10-14 55 #ifdef CONFIG_KERNEL_BZIP2
1b93b3c3e94be2 Wu Zhangjin 2009-10-14 56 #include "../../../../lib/decompress_bunzip2.c"
1b93b3c3e94be2 Wu Zhangjin 2009-10-14 57 #endif
1b93b3c3e94be2 Wu Zhangjin 2009-10-14 58
31c4867d6c7545 Florian Fainelli 2013-09-16 59 #ifdef CONFIG_KERNEL_LZ4
31c4867d6c7545 Florian Fainelli 2013-09-16 60 #include "../../../../lib/decompress_unlz4.c"
31c4867d6c7545 Florian Fainelli 2013-09-16 61 #endif
31c4867d6c7545 Florian Fainelli 2013-09-16 62
1b93b3c3e94be2 Wu Zhangjin 2009-10-14 63 #ifdef CONFIG_KERNEL_LZMA
1b93b3c3e94be2 Wu Zhangjin 2009-10-14 64 #include "../../../../lib/decompress_unlzma.c"
1b93b3c3e94be2 Wu Zhangjin 2009-10-14 65 #endif
1b93b3c3e94be2 Wu Zhangjin 2009-10-14 66
fe1d45e0865021 Wu Zhangjin 2010-01-15 67 #ifdef CONFIG_KERNEL_LZO
fe1d45e0865021 Wu Zhangjin 2010-01-15 68 #include "../../../../lib/decompress_unlzo.c"
fe1d45e0865021 Wu Zhangjin 2010-01-15 69 #endif
fe1d45e0865021 Wu Zhangjin 2010-01-15 70
4e23eb631c8409 Florian Fainelli 2013-09-11 71 #ifdef CONFIG_KERNEL_XZ
4e23eb631c8409 Florian Fainelli 2013-09-11 72 #include "../../../../lib/decompress_unxz.c"
4e23eb631c8409 Florian Fainelli 2013-09-11 73 #endif
4e23eb631c8409 Florian Fainelli 2013-09-11 74
a510b616131f85 Paul Cercueil 2020-09-01 75 #ifdef CONFIG_KERNEL_ZSTD
a510b616131f85 Paul Cercueil 2020-09-01 76 #include "../../../../lib/decompress_unzstd.c"
a510b616131f85 Paul Cercueil 2020-09-01 77 #endif
a510b616131f85 Paul Cercueil 2020-09-01 78
7bbaf27d9c8303 Huacai Chen 2018-04-05 79 const unsigned long __stack_chk_guard = 0x000a0dff;
3b628cac65fa57 Ben Chan 2014-06-24 80
3b628cac65fa57 Ben Chan 2014-06-24 @81 void __stack_chk_fail(void)
3b628cac65fa57 Ben Chan 2014-06-24 82 {
3b628cac65fa57 Ben Chan 2014-06-24 83 error("stack-protector: Kernel stack is corrupted\n");
3b628cac65fa57 Ben Chan 2014-06-24 84 }
3b628cac65fa57 Ben Chan 2014-06-24 85
1b93b3c3e94be2 Wu Zhangjin 2009-10-14 @86 void decompress_kernel(unsigned long boot_heap_start)
:::::: The code at line 38 was first introduced by commit
:::::: 1b93b3c3e94be2605759735a89fc935ba5f58dcf MIPS: Add support for GZIP / BZIP2 / LZMA compressed kernel images
:::::: TO: Wu Zhangjin <wuzhangjin@...il.com>
:::::: CC: Ralf Baechle <ralf@...ux-mips.org>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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