From: kernel test robot <lkp@intel.com>
To: Al Viro <viro@zeniv.linux.org.uk>
Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org
Subject: arch/alpha/lib/csum_partial_copy.c:328:1: error: no previous prototype for 'csum_and_copy_from_user'
Date: Fri, 12 Feb 2021 16:33:49 +0800 [thread overview]
Message-ID: <202102121645.VlFiVYsl-lkp@intel.com> (raw)
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Hi Al,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: dcc0b49040c70ad827a7f3d58a21b01fdb14e749
commit: 808b49da54e640cba5c5c92dee658018a529226b alpha: turn csum_partial_copy_from_user() into csum_and_copy_from_user()
date: 9 months ago
config: alpha-randconfig-r031-20210211 (attached as .config)
compiler: alpha-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/?id=808b49da54e640cba5c5c92dee658018a529226b
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 808b49da54e640cba5c5c92dee658018a529226b
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=alpha
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 >>):
>> arch/alpha/lib/csum_partial_copy.c:328:1: error: no previous prototype for 'csum_and_copy_from_user' [-Werror=missing-prototypes]
328 | csum_and_copy_from_user(const void __user *src, void *dst, int len,
| ^~~~~~~~~~~~~~~~~~~~~~~
arch/alpha/lib/csum_partial_copy.c:375:1: error: no previous prototype for 'csum_partial_copy_nocheck' [-Werror=missing-prototypes]
375 | csum_partial_copy_nocheck(const void *src, void *dst, int len, __wsum sum)
| ^~~~~~~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
vim +/csum_and_copy_from_user +328 arch/alpha/lib/csum_partial_copy.c
326
327 __wsum
> 328 csum_and_copy_from_user(const void __user *src, void *dst, int len,
329 __wsum sum, int *errp)
330 {
331 unsigned long checksum = (__force u32) sum;
332 unsigned long soff = 7 & (unsigned long) src;
333 unsigned long doff = 7 & (unsigned long) dst;
334
335 if (len) {
336 if (!access_ok(src, len)) {
337 if (errp) *errp = -EFAULT;
338 memset(dst, 0, len);
339 return sum;
340 }
341 if (!doff) {
342 if (!soff)
343 checksum = csum_partial_cfu_aligned(
344 (const unsigned long __user *) src,
345 (unsigned long *) dst,
346 len-8, checksum, errp);
347 else
348 checksum = csum_partial_cfu_dest_aligned(
349 (const unsigned long __user *) src,
350 (unsigned long *) dst,
351 soff, len-8, checksum, errp);
352 } else {
353 unsigned long partial_dest;
354 ldq_u(partial_dest, dst);
355 if (!soff)
356 checksum = csum_partial_cfu_src_aligned(
357 (const unsigned long __user *) src,
358 (unsigned long *) dst,
359 doff, len-8, checksum,
360 partial_dest, errp);
361 else
362 checksum = csum_partial_cfu_unaligned(
363 (const unsigned long __user *) src,
364 (unsigned long *) dst,
365 soff, doff, len-8, checksum,
366 partial_dest, errp);
367 }
368 checksum = from64to16 (checksum);
369 }
370 return (__force __wsum)checksum;
371 }
372 EXPORT_SYMBOL(csum_and_copy_from_user);
373
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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WARNING: multiple messages have this Message-ID (diff)
From: kernel test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: arch/alpha/lib/csum_partial_copy.c:328:1: error: no previous prototype for 'csum_and_copy_from_user'
Date: Fri, 12 Feb 2021 16:33:49 +0800 [thread overview]
Message-ID: <202102121645.VlFiVYsl-lkp@intel.com> (raw)
[-- Attachment #1: Type: text/plain, Size: 3618 bytes --]
Hi Al,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: dcc0b49040c70ad827a7f3d58a21b01fdb14e749
commit: 808b49da54e640cba5c5c92dee658018a529226b alpha: turn csum_partial_copy_from_user() into csum_and_copy_from_user()
date: 9 months ago
config: alpha-randconfig-r031-20210211 (attached as .config)
compiler: alpha-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/?id=808b49da54e640cba5c5c92dee658018a529226b
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 808b49da54e640cba5c5c92dee658018a529226b
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=alpha
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 >>):
>> arch/alpha/lib/csum_partial_copy.c:328:1: error: no previous prototype for 'csum_and_copy_from_user' [-Werror=missing-prototypes]
328 | csum_and_copy_from_user(const void __user *src, void *dst, int len,
| ^~~~~~~~~~~~~~~~~~~~~~~
arch/alpha/lib/csum_partial_copy.c:375:1: error: no previous prototype for 'csum_partial_copy_nocheck' [-Werror=missing-prototypes]
375 | csum_partial_copy_nocheck(const void *src, void *dst, int len, __wsum sum)
| ^~~~~~~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
vim +/csum_and_copy_from_user +328 arch/alpha/lib/csum_partial_copy.c
326
327 __wsum
> 328 csum_and_copy_from_user(const void __user *src, void *dst, int len,
329 __wsum sum, int *errp)
330 {
331 unsigned long checksum = (__force u32) sum;
332 unsigned long soff = 7 & (unsigned long) src;
333 unsigned long doff = 7 & (unsigned long) dst;
334
335 if (len) {
336 if (!access_ok(src, len)) {
337 if (errp) *errp = -EFAULT;
338 memset(dst, 0, len);
339 return sum;
340 }
341 if (!doff) {
342 if (!soff)
343 checksum = csum_partial_cfu_aligned(
344 (const unsigned long __user *) src,
345 (unsigned long *) dst,
346 len-8, checksum, errp);
347 else
348 checksum = csum_partial_cfu_dest_aligned(
349 (const unsigned long __user *) src,
350 (unsigned long *) dst,
351 soff, len-8, checksum, errp);
352 } else {
353 unsigned long partial_dest;
354 ldq_u(partial_dest, dst);
355 if (!soff)
356 checksum = csum_partial_cfu_src_aligned(
357 (const unsigned long __user *) src,
358 (unsigned long *) dst,
359 doff, len-8, checksum,
360 partial_dest, errp);
361 else
362 checksum = csum_partial_cfu_unaligned(
363 (const unsigned long __user *) src,
364 (unsigned long *) dst,
365 soff, doff, len-8, checksum,
366 partial_dest, errp);
367 }
368 checksum = from64to16 (checksum);
369 }
370 return (__force __wsum)checksum;
371 }
372 EXPORT_SYMBOL(csum_and_copy_from_user);
373
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
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next reply other threads:[~2021-02-12 8:35 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-12 8:33 kernel test robot [this message]
2021-02-12 8:33 ` arch/alpha/lib/csum_partial_copy.c:328:1: error: no previous prototype for 'csum_and_copy_from_user' kernel test robot
-- strict thread matches above, loose matches on Subject: below --
2021-05-06 14:26 kernel test robot
2021-05-06 14:26 ` kernel test robot
2021-03-19 19:10 kernel test robot
2021-03-19 19:10 ` kernel test robot
2021-03-19 11:52 kernel test robot
2021-03-19 11:52 ` kernel test robot
2021-02-11 23:26 kernel test robot
2021-02-11 23:26 ` kernel test robot
2021-02-12 2:52 ` Randy Dunlap
2021-02-12 2:52 ` Randy Dunlap
2021-02-14 22:59 ` Al Viro
2021-02-14 22:59 ` Al Viro
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