tree: https://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs.git untested.uaccess head: 5cc28922fce057003f404a956c978adbfb9fba93 commit: 2ddca056919eada9622f445a8d1da635d9118639 [40/51] sparc: switch to providing csum_and_copy_from_user() config: sparc-defconfig (attached as .config) compiler: sparc-linux-gcc (GCC) 7.5.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 2ddca056919eada9622f445a8d1da635d9118639 # save the attached .config to linux build tree GCC_VERSION=7.5.0 make.cross ARCH=sparc If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): In file included from arch/sparc/include/asm/checksum.h:8:0, from include/net/checksum.h:22, from include/linux/skbuff.h:28, from include/linux/if_ether.h:19, from include/uapi/linux/ethtool.h:19, from include/linux/ethtool.h:18, from include/linux/netdevice.h:37, from net/socket.c:62: arch/sparc/include/asm/checksum_32.h: In function 'csum_and_copy_from_user': >> arch/sparc/include/asm/checksum_32.h:73:5: error: 'err_ptr' undeclared (first use in this function); did you mean 'si_ptr'? *err_ptr = -EFAULT; ^~~~~~~ si_ptr arch/sparc/include/asm/checksum_32.h:73:5: note: each undeclared identifier is reported only once for each function it appears in -- In file included from arch/sparc/include/asm/checksum.h:8:0, from include/net/checksum.h:22, from include/linux/skbuff.h:28, from include/linux/if_ether.h:19, from include/uapi/linux/ethtool.h:19, from include/linux/ethtool.h:18, from include/linux/netdevice.h:37, from include/linux/rtnetlink.h:7, from net/core/flow_offload.c:5: arch/sparc/include/asm/checksum_32.h: In function 'csum_and_copy_from_user': >> arch/sparc/include/asm/checksum_32.h:73:5: error: 'err_ptr' undeclared (first use in this function); did you mean 'rht_ptr'? *err_ptr = -EFAULT; ^~~~~~~ rht_ptr arch/sparc/include/asm/checksum_32.h:73:5: note: each undeclared identifier is reported only once for each function it appears in vim +73 arch/sparc/include/asm/checksum_32.h 61 62 static inline __wsum 63 csum_and_copy_from_user(const void __user *src, void *dst, int len, 64 __wsum sum, int *err) 65 { 66 register unsigned long ret asm("o0") = (unsigned long)src; 67 register char *d asm("o1") = dst; 68 register int l asm("g1") = len; 69 register __wsum s asm("g7") = sum; 70 71 if (unlikely(!access_ok(src, len))) { 72 if (len) > 73 *err_ptr = -EFAULT; 74 return sum; 75 } 76 77 __asm__ __volatile__ ( 78 ".section __ex_table,#alloc\n\t" 79 ".align 4\n\t" 80 ".word 1f,2\n\t" 81 ".previous\n" 82 "1:\n\t" 83 "call __csum_partial_copy_sparc_generic\n\t" 84 " st %8, [%%sp + 64]\n" 85 : "=&r" (ret), "=&r" (d), "=&r" (l), "=&r" (s) 86 : "0" (ret), "1" (d), "2" (l), "3" (s), "r" (err) 87 : "o2", "o3", "o4", "o5", "o7", "g2", "g3", "g4", "g5", 88 "cc", "memory"); 89 return (__force __wsum)ret; 90 } 91 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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