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SELinux: Use d_is_positive() rather than testing dentry->d_inode

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Use d_is_positive() rather than testing dentry->d_inode in SELinux to get rid
of direct references to d_inode outside of the VFS.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
David Howells 2015-01-29 12:02:33 +00:00 committed by Al Viro
parent 8802565b60
commit 2c616d4d88
1 changed files with 2 additions and 2 deletions
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4
security/selinux/hooks.c
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@ -1822,12 +1822,12 @@ static inline int may_rename(struct inode *old_dir,
ad.u.dentry = new_dentry;
av = DIR__ADD_NAME | DIR__SEARCH;
if (new_dentry->d_inode)
if (d_is_positive(new_dentry))
av |= DIR__REMOVE_NAME;
rc = avc_has_perm(sid, new_dsec->sid, SECCLASS_DIR, av, &ad);
if (rc)
return rc;
if (new_dentry->d_inode) {
if (d_is_positive(new_dentry)) {
new_isec = new_dentry->d_inode->i_security;
new_is_dir = S_ISDIR(new_dentry->d_inode->i_mode);
rc = avc_has_perm(sid, new_isec->sid,