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authorJames Morris <james.l.morris@oracle.com>2014-06-24 18:46:07 +1000
committerJames Morris <james.l.morris@oracle.com>2014-06-24 18:46:07 +1000
commitf01387d2693813eb5271a3448e6a082322c7d75d (patch)
treeb591ca73c85276bae53d7db57ff1565be45a29da /security/security.c
parent92953ff38ba59b4f7b1a54ab28b84be35fafaecc (diff)
parent1860e379875dfe7271c649058aeddffe5afd9d0d (diff)
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Merge commit 'v3.15' into next
Diffstat (limited to 'security/security.c')
-rw-r--r--security/security.c22
1 files changed, 20 insertions, 2 deletions
diff --git a/security/security.c b/security/security.c
index d91fec458e90..31614e9e96e5 100644
--- a/security/security.c
+++ b/security/security.c
@@ -433,11 +433,20 @@ int security_path_link(struct dentry *old_dentry, struct path *new_dir,
}
int security_path_rename(struct path *old_dir, struct dentry *old_dentry,
- struct path *new_dir, struct dentry *new_dentry)
+ struct path *new_dir, struct dentry *new_dentry,
+ unsigned int flags)
{
if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
(new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
return 0;
+
+ if (flags & RENAME_EXCHANGE) {
+ int err = security_ops->path_rename(new_dir, new_dentry,
+ old_dir, old_dentry);
+ if (err)
+ return err;
+ }
+
return security_ops->path_rename(old_dir, old_dentry, new_dir,
new_dentry);
}
@@ -524,11 +533,20 @@ int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode,
}
int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry)
+ struct inode *new_dir, struct dentry *new_dentry,
+ unsigned int flags)
{
if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
(new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
return 0;
+
+ if (flags & RENAME_EXCHANGE) {
+ int err = security_ops->inode_rename(new_dir, new_dentry,
+ old_dir, old_dentry);
+ if (err)
+ return err;
+ }
+
return security_ops->inode_rename(old_dir, old_dentry,
new_dir, new_dentry);
}