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Smack: 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 Smack 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 12:02:32 +00:00 committed by Al Viro
parent e656a8eb2e
commit 8802565b60
1 changed files with 2 additions and 2 deletions
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4
security/smack/smack_lsm.c
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@ -855,7 +855,7 @@ static int smack_inode_link(struct dentry *old_dentry, struct inode *dir,
rc = smk_curacc(isp, MAY_WRITE, &ad);
rc = smk_bu_inode(old_dentry->d_inode, MAY_WRITE, rc);
if (rc == 0 && new_dentry->d_inode != NULL) {
if (rc == 0 && d_is_positive(new_dentry)) {
isp = smk_of_inode(new_dentry->d_inode);
smk_ad_setfield_u_fs_path_dentry(&ad, new_dentry);
rc = smk_curacc(isp, MAY_WRITE, &ad);
@ -961,7 +961,7 @@ static int smack_inode_rename(struct inode *old_inode,
rc = smk_curacc(isp, MAY_READWRITE, &ad);
rc = smk_bu_inode(old_dentry->d_inode, MAY_READWRITE, rc);
if (rc == 0 && new_dentry->d_inode != NULL) {
if (rc == 0 && d_is_positive(new_dentry)) {
isp = smk_of_inode(new_dentry->d_inode);
smk_ad_setfield_u_fs_path_dentry(&ad, new_dentry);
rc = smk_curacc(isp, MAY_READWRITE, &ad);