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* sound/core/control.c:1409:5-11: inconsistent IS_ERR and PTR_ERR on line 1410.
@ 2024-03-14 23:25 kernel test robot
  0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2024-03-14 23:25 UTC (permalink / raw)
  To: Takashi Iwai; +Cc: oe-kbuild-all, linux-kernel

Hi Takashi,

FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   fe46a7dd189e25604716c03576d05ac8a5209743
commit: 1052d988226948493eb9730b3424308972eca5f4 ALSA: control: Use automatic cleanup of kfree()
date:   3 weeks ago
config: x86_64-randconfig-103-20240314 (https://download.01.org/0day-ci/archive/20240315/202403150720.IvePtxNs-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202403150720.IvePtxNs-lkp@intel.com/

cocci warnings: (new ones prefixed by >>)
>> sound/core/control.c:1409:5-11: inconsistent IS_ERR and PTR_ERR on line 1410.

vim +1409 sound/core/control.c

^1da177e4c3f41 Linus Torvalds   2005-04-16  1400  
82e9bae6fd253a Takashi Iwai     2005-11-17  1401  static int snd_ctl_elem_write_user(struct snd_ctl_file *file,
82e9bae6fd253a Takashi Iwai     2005-11-17  1402  				   struct snd_ctl_elem_value __user *_control)
^1da177e4c3f41 Linus Torvalds   2005-04-16  1403  {
1052d988226948 Takashi Iwai     2024-02-22  1404  	struct snd_ctl_elem_value *control __free(kfree) = NULL;
646494007b48e8 Giuliano Pochini 2006-03-13  1405  	struct snd_card *card;
^1da177e4c3f41 Linus Torvalds   2005-04-16  1406  	int result;
^1da177e4c3f41 Linus Torvalds   2005-04-16  1407  
ef44a1ec6eeef1 Li Zefan         2009-04-10  1408  	control = memdup_user(_control, sizeof(*control));
ef44a1ec6eeef1 Li Zefan         2009-04-10 @1409  	if (IS_ERR(control))
1052d988226948 Takashi Iwai     2024-02-22 @1410  		return PTR_ERR(no_free_ptr(control));
ef44a1ec6eeef1 Li Zefan         2009-04-10  1411  
646494007b48e8 Giuliano Pochini 2006-03-13  1412  	card = file->card;
646494007b48e8 Giuliano Pochini 2006-03-13  1413  	result = snd_ctl_elem_write(card, file, control);
7d8e8292013ab7 Takashi Iwai     2017-08-30  1414  	if (result < 0)
1052d988226948 Takashi Iwai     2024-02-22  1415  		return result;
7d8e8292013ab7 Takashi Iwai     2017-08-30  1416  
^1da177e4c3f41 Linus Torvalds   2005-04-16  1417  	if (copy_to_user(_control, control, sizeof(*control)))
1052d988226948 Takashi Iwai     2024-02-22  1418  		return -EFAULT;
^1da177e4c3f41 Linus Torvalds   2005-04-16  1419  	return result;
^1da177e4c3f41 Linus Torvalds   2005-04-16  1420  }
^1da177e4c3f41 Linus Torvalds   2005-04-16  1421  

:::::: The code at line 1409 was first introduced by commit
:::::: ef44a1ec6eeef189998f84e7230e1d3535b01074 ALSA: sound/core: use memdup_user()

:::::: TO: Li Zefan <lizf@cn.fujitsu.com>
:::::: CC: Takashi Iwai <tiwai@suse.de>

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

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2024-03-14 23:25 sound/core/control.c:1409:5-11: inconsistent IS_ERR and PTR_ERR on line 1410 kernel test robot

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