Messages in this thread | | | Date | Sat, 13 Feb 2021 10:02:50 +0800 | From | kernel test robot <> | Subject | Re: [PATCH v3 2/3] misc/pvpanic: probe multiple instances |
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Hi Mihai,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on linux/master] [also build test ERROR on soc/for-next linus/master v5.11-rc7] [cannot apply to char-misc/char-misc-testing next-20210211] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/Mihai-Carabas/misc-pvpanic-split-up-generic-and-platform-dependent-code/20210213-043307 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 2ab38c17aac10bf55ab3efde4c4db3893d8691d2 config: x86_64-randconfig-r012-20210209 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project c9439ca36342fb6013187d0a69aef92736951476) 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 x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://github.com/0day-ci/linux/commit/70eed71fbb1f23b28a401213c2dac3c27fcae323 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Mihai-Carabas/misc-pvpanic-split-up-generic-and-platform-dependent-code/20210213-043307 git checkout 70eed71fbb1f23b28a401213c2dac3c27fcae323 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
drivers/misc/pvpanic/pvpanic.c:62:5: warning: no previous prototype for function 'pvpanic_probe' [-Wmissing-prototypes] int pvpanic_probe(void __iomem *pbase) ^ drivers/misc/pvpanic/pvpanic.c:62:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int pvpanic_probe(void __iomem *pbase) ^ static >> drivers/misc/pvpanic/pvpanic.c:87:3: error: void function 'pvpanic_remove' should not return a value [-Wreturn-type] return -EINVAL; ^ ~~~~~~~ drivers/misc/pvpanic/pvpanic.c:82:6: warning: no previous prototype for function 'pvpanic_remove' [-Wmissing-prototypes] void pvpanic_remove(void __iomem *pbase) ^ drivers/misc/pvpanic/pvpanic.c:82:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void pvpanic_remove(void __iomem *pbase) ^ static 2 warnings and 1 error generated.
vim +/pvpanic_remove +87 drivers/misc/pvpanic/pvpanic.c
61 > 62 int pvpanic_probe(void __iomem *pbase) 63 { 64 struct pvpanic_instance *pi; 65 66 if(!pbase) 67 return -EINVAL; 68 69 pi = kmalloc(sizeof(*pi), GFP_ATOMIC); 70 if (!pi) 71 return -ENOMEM; 72 73 pi->base = pbase; 74 spin_lock(&pvpanic_lock); 75 list_add(&pi->list, &pvpanic_list); 76 spin_unlock(&pvpanic_lock); 77 78 return 0; 79 } 80 EXPORT_SYMBOL_GPL(pvpanic_probe); 81 82 void pvpanic_remove(void __iomem *pbase) 83 { 84 struct pvpanic_instance *pi_cur, *pi_next; 85 86 if(!pbase) > 87 return -EINVAL; 88 89 spin_lock(&pvpanic_lock); 90 list_for_each_entry_safe(pi_cur, pi_next, &pvpanic_list, list) { 91 if (pi_cur->base == pbase) { 92 list_del(&pi_cur->list); 93 kfree(pi_cur); 94 break; 95 } 96 } 97 spin_unlock(&pvpanic_lock); 98 } 99 EXPORT_SYMBOL_GPL(pvpanic_remove); 100
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