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security: fix description of values returned by cap_inode_need_killpriv 

cap_inode_need_killpriv returns 1 if security.capability exists and
has a value and inode_killpriv() is required, 0 otherwise. Fix the
description of the return value to reflect this.

Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Reviewed-by: Serge Hallyn <serge@hallyn.com>
Signed-off-by: James Morris <james.l.morris@oracle.com>
This commit is contained in:
Stefan Berger 2017-07-26 22:27:05 -04:00 committed by James Morris
parent 53a2ebaaab
commit ab5348c9c2
1 changed files with 3 additions and 3 deletions
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6
security/commoncap.c
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@ -300,10 +300,10 @@ static inline void bprm_clear_caps(struct linux_binprm *bprm)
*
* Determine if an inode having a change applied that's marked ATTR_KILL_PRIV
* affects the security markings on that inode, and if it is, should
* inode_killpriv() be invoked or the change rejected?
* inode_killpriv() be invoked or the change rejected.
*
* Returns 0 if granted; +ve if granted, but inode_killpriv() is required; and
* -ve to deny the change.
* Returns 1 if security.capability has a value, meaning inode_killpriv()
* is required, 0 otherwise, meaning inode_killpriv() is not required.
*/
int cap_inode_need_killpriv(struct dentry *dentry)
{