Messages in this thread | | | Subject | Re: arch/mips/boot/compressed/../../../../lib/lz4/lz4_decompress.c:510:5: warning: no previous prototype for function 'LZ4_decompress_safe_forceExtDict' | From | Tiezhu Yang <> | Date | Mon, 27 Jun 2022 11:12:42 +0800 |
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On 06/26/2022 09:14 AM, kernel test robot wrote: > Hi Tiezhu, > > First bad commit (maybe != root cause):
Yes, I think the first bad commit is not the root cause.
> > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master > head: 0840a7914caa14315a3191178a9f72c742477860 > commit: 7e4fd16b38923028b01d3dbadf4ca973d885c53e MIPS: RALINK: Define pci_remap_iospace under CONFIG_PCI_DRIVERS_GENERIC > date: 4 weeks ago > config: mips-randconfig-r035-20220626 > compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 42a7ddb428c999229491b0effbb1a4059149fba8) > 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 > # install mips cross compiling tool for clang build > # apt-get install binutils-mipsel-linux-gnu > # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7e4fd16b38923028b01d3dbadf4ca973d885c53e > git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git > git fetch --no-tags linus master > git checkout 7e4fd16b38923028b01d3dbadf4ca973d885c53e > # save the config file > mkdir build_dir && cp config build_dir/.config > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash > > If you fix the issue, kindly add following tag where applicable > Reported-by: kernel test robot <lkp@intel.com> > > All warnings (new ones prefixed by >>): > > arch/mips/boot/compressed/decompress.c:42:6: warning: no previous prototype for function 'error' [-Wmissing-prototypes] > void error(char *x) > ^ > arch/mips/boot/compressed/decompress.c:42:1: note: declare 'static' if the function is not intended to be used outside of this translation unit > void error(char *x) > ^ > static > In file included from arch/mips/boot/compressed/decompress.c:64: > In file included from arch/mips/boot/compressed/../../../../lib/decompress_unlz4.c:10: >>> arch/mips/boot/compressed/../../../../lib/lz4/lz4_decompress.c:510:5: warning: no previous prototype for function 'LZ4_decompress_safe_forceExtDict' [-Wmissing-prototypes] > int LZ4_decompress_safe_forceExtDict(const char *source, char *dest, > ^ > arch/mips/boot/compressed/../../../../lib/lz4/lz4_decompress.c:510:1: note: declare 'static' if the function is not intended to be used outside of this translation unit > int LZ4_decompress_safe_forceExtDict(const char *source, char *dest, > ^ [...]
I think the following patch can fix the above build warning:
[PATCH] lib: Make LZ4_decompress_safe_forceExtDict() static https://lore.kernel.org/lkml/1656298965-8698-1-git-send-email-yangtiezhu@loongson.cn/T/#u
Thanks, Tiezhu
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