Hi Arnd, First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git master head: b33bc2b878e05c5dd4e20682328c3addb4787ac9 commit: 6d97985072dc270032dc7a08631080bfd6253e82 [391/455] isdn: move capi drivers to staging reproduce: # apt-get install sparse # sparse version: v0.6.1-rc1-7-g2b96cd8-dirty git checkout 6d97985072dc270032dc7a08631080bfd6253e82 make ARCH=x86_64 allmodconfig make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag Reported-by: kbuild test robot <l...@intel.com> sparse warnings: (new ones prefixed by >>) >> drivers/staging/isdn/avm/b1.c:163:49: sparse: sparse: incorrect type in >> argument 2 (different address spaces) @@ expected void const [noderef] >> <asn:1> *from @@ got const [noderef] <asn:1> *from @@ >> drivers/staging/isdn/avm/b1.c:163:49: sparse: expected void const >> [noderef] <asn:1> *from >> drivers/staging/isdn/avm/b1.c:163:49: sparse: got unsigned char >> *[assigned] dp drivers/staging/isdn/avm/b1.c:179:49: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] <asn:1> *from @@ got const [noderef] <asn:1> *from @@ drivers/staging/isdn/avm/b1.c:179:49: sparse: expected void const [noderef] <asn:1> *from drivers/staging/isdn/avm/b1.c:179:49: sparse: got unsigned char *[assigned] dp drivers/staging/isdn/avm/b1.c:211:49: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] <asn:1> *from @@ got const [noderef] <asn:1> *from @@ drivers/staging/isdn/avm/b1.c:211:49: sparse: expected void const [noderef] <asn:1> *from drivers/staging/isdn/avm/b1.c:211:49: sparse: got unsigned char *[assigned] dp drivers/staging/isdn/avm/b1.c:227:49: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] <asn:1> *from @@ got const [noderef] <asn:1> *from @@ drivers/staging/isdn/avm/b1.c:227:49: sparse: expected void const [noderef] <asn:1> *from drivers/staging/isdn/avm/b1.c:227:49: sparse: got unsigned char *[assigned] dp -- >> drivers/staging/isdn/avm/c4.c:206:50: sparse: sparse: incorrect type in >> argument 2 (different address spaces) @@ expected void const [noderef] >> <asn:1> *from @@ got const [noderef] <asn:1> *from @@ >> drivers/staging/isdn/avm/c4.c:206:50: sparse: expected void const >> [noderef] <asn:1> *from >> drivers/staging/isdn/avm/c4.c:206:50: sparse: got unsigned char >> *[assigned] dp drivers/staging/isdn/avm/c4.c:223:50: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] <asn:1> *from @@ got const [noderef] <asn:1> *from @@ drivers/staging/isdn/avm/c4.c:223:50: sparse: expected void const [noderef] <asn:1> *from drivers/staging/isdn/avm/c4.c:223:50: sparse: got unsigned char *[assigned] dp drivers/staging/isdn/avm/c4.c:830:49: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] <asn:1> *from @@ got const [noderef] <asn:1> *from @@ drivers/staging/isdn/avm/c4.c:830:49: sparse: expected void const [noderef] <asn:1> *from drivers/staging/isdn/avm/c4.c:830:49: sparse: got unsigned char *[assigned] dp drivers/staging/isdn/avm/c4.c:843:50: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] <asn:1> *from @@ got const [noderef] <asn:1> *from @@ drivers/staging/isdn/avm/c4.c:843:50: sparse: expected void const [noderef] <asn:1> *from drivers/staging/isdn/avm/c4.c:843:50: sparse: got unsigned char *[assigned] dp -- >> drivers/staging/isdn/hysdn/boardergo.c:402:21: sparse: sparse: incorrect >> type in argument 1 (different address spaces) @@ expected void volatile >> [noderef] <asn:2> *addr @@ got oderef] <asn:2> *addr @@ >> drivers/staging/isdn/hysdn/boardergo.c:402:21: sparse: expected void >> volatile [noderef] <asn:2> *addr >> drivers/staging/isdn/hysdn/boardergo.c:402:21: sparse: got void >> *[usertype] dpram >> drivers/staging/isdn/hysdn/boardergo.c:422:27: sparse: sparse: incorrect >> type in assignment (different address spaces) @@ expected void >> *[usertype] dpram @@ got void [nvoid *[usertype] dpram @@ >> drivers/staging/isdn/hysdn/boardergo.c:422:27: sparse: expected void >> *[usertype] dpram >> drivers/staging/isdn/hysdn/boardergo.c:422:27: sparse: got void [noderef] >> <asn:2> * -- >> drivers/staging/isdn/hysdn/hysdn_net.c:72:29: sparse: sparse: incorrect type >> in assignment (different address spaces) @@ expected struct in_device >> *in_dev @@ got struct in_device [struct in_device *in_dev @@ >> drivers/staging/isdn/hysdn/hysdn_net.c:72:29: sparse: expected struct >> in_device *in_dev >> drivers/staging/isdn/hysdn/hysdn_net.c:72:29: sparse: got struct >> in_device [noderef] <asn:4> *ip_ptr vim +163 drivers/staging/isdn/avm/b1.c ^1da177e drivers/isdn/hardware/avm/b1.c Linus Torvalds 2005-04-16 150 ^1da177e drivers/isdn/hardware/avm/b1.c Linus Torvalds 2005-04-16 151 #define FWBUF_SIZE 256 ^1da177e drivers/isdn/hardware/avm/b1.c Linus Torvalds 2005-04-16 152 int b1_load_t4file(avmcard *card, capiloaddatapart *t4file) ^1da177e drivers/isdn/hardware/avm/b1.c Linus Torvalds 2005-04-16 153 { ^1da177e drivers/isdn/hardware/avm/b1.c Linus Torvalds 2005-04-16 154 unsigned char buf[FWBUF_SIZE]; ^1da177e drivers/isdn/hardware/avm/b1.c Linus Torvalds 2005-04-16 155 unsigned char *dp; ^1da177e drivers/isdn/hardware/avm/b1.c Linus Torvalds 2005-04-16 156 int i, left; ^1da177e drivers/isdn/hardware/avm/b1.c Linus Torvalds 2005-04-16 157 unsigned int base = card->port; ^1da177e drivers/isdn/hardware/avm/b1.c Linus Torvalds 2005-04-16 158 ^1da177e drivers/isdn/hardware/avm/b1.c Linus Torvalds 2005-04-16 159 dp = t4file->data; ^1da177e drivers/isdn/hardware/avm/b1.c Linus Torvalds 2005-04-16 160 left = t4file->len; ^1da177e drivers/isdn/hardware/avm/b1.c Linus Torvalds 2005-04-16 161 while (left > FWBUF_SIZE) { ^1da177e drivers/isdn/hardware/avm/b1.c Linus Torvalds 2005-04-16 162 if (t4file->user) { ^1da177e drivers/isdn/hardware/avm/b1.c Linus Torvalds 2005-04-16 @163 if (copy_from_user(buf, dp, FWBUF_SIZE)) ^1da177e drivers/isdn/hardware/avm/b1.c Linus Torvalds 2005-04-16 164 return -EFAULT; ^1da177e drivers/isdn/hardware/avm/b1.c Linus Torvalds 2005-04-16 165 } else { ^1da177e drivers/isdn/hardware/avm/b1.c Linus Torvalds 2005-04-16 166 memcpy(buf, dp, FWBUF_SIZE); ^1da177e drivers/isdn/hardware/avm/b1.c Linus Torvalds 2005-04-16 167 } ^1da177e drivers/isdn/hardware/avm/b1.c Linus Torvalds 2005-04-16 168 for (i = 0; i < FWBUF_SIZE; i++) ^1da177e drivers/isdn/hardware/avm/b1.c Linus Torvalds 2005-04-16 169 if (b1_save_put_byte(base, buf[i]) < 0) { ^1da177e drivers/isdn/hardware/avm/b1.c Linus Torvalds 2005-04-16 170 printk(KERN_ERR "%s: corrupted firmware file ?\n", ^1da177e drivers/isdn/hardware/avm/b1.c Linus Torvalds 2005-04-16 171 card->name); ^1da177e drivers/isdn/hardware/avm/b1.c Linus Torvalds 2005-04-16 172 return -EIO; ^1da177e drivers/isdn/hardware/avm/b1.c Linus Torvalds 2005-04-16 173 } ^1da177e drivers/isdn/hardware/avm/b1.c Linus Torvalds 2005-04-16 174 left -= FWBUF_SIZE; ^1da177e drivers/isdn/hardware/avm/b1.c Linus Torvalds 2005-04-16 175 dp += FWBUF_SIZE; ^1da177e drivers/isdn/hardware/avm/b1.c Linus Torvalds 2005-04-16 176 } ^1da177e drivers/isdn/hardware/avm/b1.c Linus Torvalds 2005-04-16 177 if (left) { ^1da177e drivers/isdn/hardware/avm/b1.c Linus Torvalds 2005-04-16 178 if (t4file->user) { ^1da177e drivers/isdn/hardware/avm/b1.c Linus Torvalds 2005-04-16 179 if (copy_from_user(buf, dp, left)) ^1da177e drivers/isdn/hardware/avm/b1.c Linus Torvalds 2005-04-16 180 return -EFAULT; ^1da177e drivers/isdn/hardware/avm/b1.c Linus Torvalds 2005-04-16 181 } else { ^1da177e drivers/isdn/hardware/avm/b1.c Linus Torvalds 2005-04-16 182 memcpy(buf, dp, left); ^1da177e drivers/isdn/hardware/avm/b1.c Linus Torvalds 2005-04-16 183 } ^1da177e drivers/isdn/hardware/avm/b1.c Linus Torvalds 2005-04-16 184 for (i = 0; i < left; i++) ^1da177e drivers/isdn/hardware/avm/b1.c Linus Torvalds 2005-04-16 185 if (b1_save_put_byte(base, buf[i]) < 0) { ^1da177e drivers/isdn/hardware/avm/b1.c Linus Torvalds 2005-04-16 186 printk(KERN_ERR "%s: corrupted firmware file ?\n", ^1da177e drivers/isdn/hardware/avm/b1.c Linus Torvalds 2005-04-16 187 card->name); ^1da177e drivers/isdn/hardware/avm/b1.c Linus Torvalds 2005-04-16 188 return -EIO; ^1da177e drivers/isdn/hardware/avm/b1.c Linus Torvalds 2005-04-16 189 } ^1da177e drivers/isdn/hardware/avm/b1.c Linus Torvalds 2005-04-16 190 } ^1da177e drivers/isdn/hardware/avm/b1.c Linus Torvalds 2005-04-16 191 return 0; ^1da177e drivers/isdn/hardware/avm/b1.c Linus Torvalds 2005-04-16 192 } ^1da177e drivers/isdn/hardware/avm/b1.c Linus Torvalds 2005-04-16 193 :::::: The code at line 163 was first introduced by commit :::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2 :::::: TO: Linus Torvalds <torva...@ppc970.osdl.org> :::::: CC: Linus Torvalds <torva...@ppc970.osdl.org> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
