tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 9ff9b0d392ea08090cd1780fb196f36dbb586529 commit: 3af5f0f5c74ecbaf757ef06c3f80d56751277637 net: korina: fix kfree of rx/tx descriptor array date: 4 days ago config: mips-rb532_defconfig (attached as .config) compiler: mipsel-linux-gcc (GCC) 9.3.0 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... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 3af5f0f5c74ecbaf757ef06c3f80d56751277637 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=mips If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): In file included from arch/mips/include/asm/barrier.h:11, from arch/mips/include/asm/bitops.h:19, from include/linux/bitops.h:29, from include/linux/kernel.h:12, from include/linux/list.h:9, from include/linux/module.h:12, from drivers/net/ethernet/korina.c:36: drivers/net/ethernet/korina.c: In function 'korina_probe': 88 | #define KSEG0ADDR(a) (CPHYSADDR(a) | KSEG0) | ~~~~~~~~~~~~~~^~~~~~~~ | | | unsigned int drivers/net/ethernet/korina.c:1116:8: note: in expansion of macro 'KSEG0ADDR' 1116 | kfree(KSEG0ADDR(lp->td_ring)); | ^~~~~~~~~ In file included from include/linux/irq.h:21, from include/asm-generic/hardirq.h:13, from arch/mips/include/asm/hardirq.h:16, from include/linux/hardirq.h:10, from include/linux/interrupt.h:11, from drivers/net/ethernet/korina.c:42: include/linux/slab.h:185:12: note: expected 'const void *' but argument is of type 'unsigned int' 185 | void kfree(const void *); | ^~~~~~~~~~~~ In file included from arch/mips/include/asm/barrier.h:11, from arch/mips/include/asm/bitops.h:19, from include/linux/bitops.h:29, from include/linux/kernel.h:12, from include/linux/list.h:9, from include/linux/module.h:12, from drivers/net/ethernet/korina.c:36: drivers/net/ethernet/korina.c: In function 'korina_remove': 88 | #define KSEG0ADDR(a) (CPHYSADDR(a) | KSEG0) | ~~~~~~~~~~~~~~^~~~~~~~ | | | unsigned int drivers/net/ethernet/korina.c:1136:8: note: in expansion of macro 'KSEG0ADDR' 1136 | kfree(KSEG0ADDR(lp->td_ring)); | ^~~~~~~~~ In file included from include/linux/irq.h:21, from include/asm-generic/hardirq.h:13, from arch/mips/include/asm/hardirq.h:16, from include/linux/hardirq.h:10, from include/linux/interrupt.h:11, from drivers/net/ethernet/korina.c:42: include/linux/slab.h:185:12: note: expected 'const void *' but argument is of type 'unsigned int' 185 | void kfree(const void *); | ^~~~~~~~~~~~ vim +/kfree +88 arch/mips/include/asm/addrspace.h ^1da177e4c3f415 include/asm-mips/addrspace.h Linus Torvalds 2005-04-16 84 ^1da177e4c3f415 include/asm-mips/addrspace.h Linus Torvalds 2005-04-16 85 /* ^1da177e4c3f415 include/asm-mips/addrspace.h Linus Torvalds 2005-04-16 86 * Map an address to a certain kernel segment ^1da177e4c3f415 include/asm-mips/addrspace.h Linus Torvalds 2005-04-16 87 */ ^1da177e4c3f415 include/asm-mips/addrspace.h Linus Torvalds 2005-04-16 @88 #define KSEG0ADDR(a) (CPHYSADDR(a) | KSEG0) ^1da177e4c3f415 include/asm-mips/addrspace.h Linus Torvalds 2005-04-16 89 #define KSEG1ADDR(a) (CPHYSADDR(a) | KSEG1) ^1da177e4c3f415 include/asm-mips/addrspace.h Linus Torvalds 2005-04-16 90 #define KSEG2ADDR(a) (CPHYSADDR(a) | KSEG2) ^1da177e4c3f415 include/asm-mips/addrspace.h Linus Torvalds 2005-04-16 91 #define KSEG3ADDR(a) (CPHYSADDR(a) | KSEG3) ^1da177e4c3f415 include/asm-mips/addrspace.h Linus Torvalds 2005-04-16 92 :::::: The code at line 88 was first introduced by commit :::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2 :::::: TO: Linus Torvalds <torvalds(a)ppc970.osdl.org&gt; :::::: CC: Linus Torvalds <torvalds(a)ppc970.osdl.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org