[linux-next:master 10379/13906] security/apparmor/lsm.c:651:5: warning: no previous declaration for 'apparmor_uring_override_creds'

[kernel test robot <lkp@intel.com>]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   2030579113a1b1b5bfd7ff24c0852847836d8fd1
commit: c4371d90633b73cf6e86aff43ff2b5d95ad2b9eb [10379/13906] apparmor: add io_uring mediation
config: x86_64-randconfig-072-20231020 (https://download.01.org/0day-ci/archive/20231020/202310201911.QT2YAa39-lkp@intel.com/config)
compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231020/202310201911.QT2YAa39-lkp@intel.com/reproduce)

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/202310201911.QT2YAa39-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> security/apparmor/lsm.c:651:5: warning: no previous declaration for 'apparmor_uring_override_creds' [-Wmissing-declarations]
    int apparmor_uring_override_creds(const struct cred *new)
        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> security/apparmor/lsm.c:675:5: warning: no previous declaration for 'apparmor_uring_sqpoll' [-Wmissing-declarations]
    int apparmor_uring_sqpoll(void)
        ^~~~~~~~~~~~~~~~~~~~~


vim +/apparmor_uring_override_creds +651 security/apparmor/lsm.c

   643	
   644	/**
   645	 * apparmor_uring_override_creds - check the requested cred override
   646	 * @new: the target creds
   647	 *
   648	 * Check to see if the current task is allowed to override it's credentials
   649	 * to service an io_uring operation.
   650	 */
 > 651	int apparmor_uring_override_creds(const struct cred *new)
   652	{
   653		struct aa_profile *profile;
   654		struct aa_label *label;
   655		int error;
   656		DEFINE_AUDIT_DATA(ad, LSM_AUDIT_DATA_NONE, AA_CLASS_IO_URING,
   657				  OP_URING_OVERRIDE);
   658	
   659		ad.uring.target = cred_label(new);
   660		label = __begin_current_label_crit_section();
   661		error = fn_for_each(label, profile,
   662				profile_uring(profile, AA_MAY_OVERRIDE_CRED,
   663					      cred_label(new), CAP_SYS_ADMIN, &ad));
   664		__end_current_label_crit_section(label);
   665	
   666		return error;
   667	}
   668	
   669	/**
   670	 * apparmor_uring_sqpoll - check if a io_uring polling thread can be created
   671	 *
   672	 * Check to see if the current task is allowed to create a new io_uring
   673	 * kernel polling thread.
   674	 */
 > 675	int apparmor_uring_sqpoll(void)
   676	{
   677		struct aa_profile *profile;
   678		struct aa_label *label;
   679		int error;
   680		DEFINE_AUDIT_DATA(ad, LSM_AUDIT_DATA_NONE, AA_CLASS_IO_URING,
   681				  OP_URING_SQPOLL);
   682	
   683		label = __begin_current_label_crit_section();
   684		error = fn_for_each(label, profile,
   685				profile_uring(profile, AA_MAY_CREATE_SQPOLL,
   686					      NULL, CAP_SYS_ADMIN, &ad));
   687		__end_current_label_crit_section(label);
   688	
   689		return error;
   690	}
   691	#endif /* CONFIG_IO_URING */
   692	

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