diff options
Diffstat (limited to 'fs/ecryptfs/main.c')
| -rw-r--r-- | fs/ecryptfs/main.c | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c index 9b627c15010..1b119d3bf92 100644 --- a/fs/ecryptfs/main.c +++ b/fs/ecryptfs/main.c @@ -120,16 +120,15 @@ static int ecryptfs_init_lower_file(struct dentry *dentry, struct file **lower_file) { const struct cred *cred = current_cred(); - struct dentry *lower_dentry = ecryptfs_dentry_to_lower(dentry); - struct vfsmount *lower_mnt = ecryptfs_dentry_to_lower_mnt(dentry); + struct path *path = ecryptfs_dentry_to_lower_path(dentry); int rc; - rc = ecryptfs_privileged_open(lower_file, lower_dentry, lower_mnt, + rc = ecryptfs_privileged_open(lower_file, path->dentry, path->mnt, cred); if (rc) { printk(KERN_ERR "Error opening lower file " "for lower_dentry [0x%p] and lower_mnt [0x%p]; " - "rc = [%d]\n", lower_dentry, lower_mnt, rc); + "rc = [%d]\n", path->dentry, path->mnt, rc); (*lower_file) = NULL; } return rc; @@ -545,11 +544,12 @@ static struct dentry *ecryptfs_mount(struct file_system_type *fs_type, int flags goto out_free; } - if (check_ruid && path.dentry->d_inode->i_uid != current_uid()) { + if (check_ruid && !uid_eq(path.dentry->d_inode->i_uid, current_uid())) { rc = -EPERM; printk(KERN_ERR "Mount of device (uid: %d) not owned by " "requested user (uid: %d)\n", - path.dentry->d_inode->i_uid, current_uid()); + i_uid_read(path.dentry->d_inode), + from_kuid(&init_user_ns, current_uid())); goto out_free; } @@ -585,8 +585,7 @@ static struct dentry *ecryptfs_mount(struct file_system_type *fs_type, int flags /* ->kill_sb() will take care of root_info */ ecryptfs_set_dentry_private(s->s_root, root_info); - ecryptfs_set_dentry_lower(s->s_root, path.dentry); - ecryptfs_set_dentry_lower_mnt(s->s_root, path.mnt); + root_info->lower_path = path; s->s_flags |= MS_ACTIVE; return dget(s->s_root); @@ -628,6 +627,7 @@ static struct file_system_type ecryptfs_fs_type = { .kill_sb = ecryptfs_kill_block_super, .fs_flags = 0 }; +MODULE_ALIAS_FS("ecryptfs"); /** * inode_info_init_once @@ -710,6 +710,12 @@ static void ecryptfs_free_kmem_caches(void) { int i; + /* + * Make sure all delayed rcu free inodes are flushed before we + * destroy cache. + */ + rcu_barrier(); + for (i = 0; i < ARRAY_SIZE(ecryptfs_cache_infos); i++) { struct ecryptfs_cache_info *info; |