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ubifs: Implement directory open operation

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We need the ->open() hook to load the crypto context
which is needed for all crypto operations within that
directory.

Signed-off-by: Richard Weinberger <richard@nod.at>
This commit is contained in:
Richard Weinberger 2016-09-29 17:20:27 +02:00
parent 43b113fea2
commit ba40e6a3c4
1 changed files with 9 additions and 0 deletions
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9
fs/ubifs/dir.c
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@ -1410,6 +1410,14 @@ int ubifs_getattr(struct vfsmount *mnt, struct dentry *dentry,
return 0; return 0;
} }
static int ubifs_dir_open(struct inode *dir, struct file *file)
{
if (ubifs_crypt_is_encrypted(dir))
return fscrypt_get_encryption_info(dir) ? -EACCES : 0;
return 0;
}
const struct inode_operations ubifs_dir_inode_operations = { const struct inode_operations ubifs_dir_inode_operations = {
.lookup = ubifs_lookup, .lookup = ubifs_lookup,
.create = ubifs_create, .create = ubifs_create,
@ -1436,6 +1444,7 @@ const struct file_operations ubifs_dir_operations = {
.iterate_shared = ubifs_readdir, .iterate_shared = ubifs_readdir,
.fsync = ubifs_fsync, .fsync = ubifs_fsync,
.unlocked_ioctl = ubifs_ioctl, .unlocked_ioctl = ubifs_ioctl,
.open = ubifs_dir_open,
#ifdef CONFIG_COMPAT #ifdef CONFIG_COMPAT
.compat_ioctl = ubifs_compat_ioctl, .compat_ioctl = ubifs_compat_ioctl,
#endif #endif