Re: [PATCH v2 3/3] Constify some function parameters

From: kbuild test robot
Date: Mon Jul 04 2016 - 19:59:00 EST


Hi,

[auto build test WARNING on next-20160704]
[cannot apply to tip/x86/core asm-generic/master v4.7-rc6 v4.7-rc5 v4.7-rc4 v4.7-rc6]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Emese-Revfy/Introduce-the-initify-gcc-plugin/20160705-074117
config: sparc64-allyesconfig (attached as .config)
compiler: sparc64-linux-gnu-gcc (Debian 5.3.1-8) 5.3.1 20160205
reproduce:
wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=sparc64

All warnings (new ones prefixed by >>):

drivers/isdn/hisax/config.c: In function 'VHiSax_putstatus':
>> drivers/isdn/hisax/config.c:688:5: warning: assignment discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
p = fmt;
^

vim +/const +688 drivers/isdn/hisax/config.c

^1da177e Linus Torvalds 2005-04-16 672
^1da177e Linus Torvalds 2005-04-16 673 if (!cs) {
^1da177e Linus Torvalds 2005-04-16 674 printk(KERN_WARNING "HiSax: No CardStatus for message");
^1da177e Linus Torvalds 2005-04-16 675 return;
^1da177e Linus Torvalds 2005-04-16 676 }
^1da177e Linus Torvalds 2005-04-16 677 spin_lock_irqsave(&cs->statlock, flags);
^1da177e Linus Torvalds 2005-04-16 678 p = tmpbuf;
^1da177e Linus Torvalds 2005-04-16 679 if (head) {
^1da177e Linus Torvalds 2005-04-16 680 p += jiftime(p, jiffies);
^1da177e Linus Torvalds 2005-04-16 681 p += sprintf(p, " %s", head);
^1da177e Linus Torvalds 2005-04-16 682 p += vsprintf(p, fmt, args);
^1da177e Linus Torvalds 2005-04-16 683 *p++ = '\n';
^1da177e Linus Torvalds 2005-04-16 684 *p = 0;
^1da177e Linus Torvalds 2005-04-16 685 len = p - tmpbuf;
^1da177e Linus Torvalds 2005-04-16 686 p = tmpbuf;
^1da177e Linus Torvalds 2005-04-16 687 } else {
^1da177e Linus Torvalds 2005-04-16 @688 p = fmt;
^1da177e Linus Torvalds 2005-04-16 689 len = strlen(fmt);
^1da177e Linus Torvalds 2005-04-16 690 }
^1da177e Linus Torvalds 2005-04-16 691 if (len > HISAX_STATUS_BUFSIZE) {
^1da177e Linus Torvalds 2005-04-16 692 spin_unlock_irqrestore(&cs->statlock, flags);
^1da177e Linus Torvalds 2005-04-16 693 printk(KERN_WARNING "HiSax: status overflow %d/%d\n",
^1da177e Linus Torvalds 2005-04-16 694 len, HISAX_STATUS_BUFSIZE);
^1da177e Linus Torvalds 2005-04-16 695 return;
^1da177e Linus Torvalds 2005-04-16 696 }

:::::: The code at line 688 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2

:::::: TO: Linus Torvalds <torvalds@xxxxxxxxxxxxxxx>
:::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxx>

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