Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ecryptfs/ecryptfs-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ecryptfs/ecryptfs-2.6:
eCryptfs: Fix encrypted file name lookup regression
ecryptfs: properly mark init functions
fs/ecryptfs: Return -ENOMEM on memory allocation failure
diff --git a/fs/ecryptfs/crypto.c b/fs/ecryptfs/crypto.c
index a2e3b56..cbadc1b 100644
--- a/fs/ecryptfs/crypto.c
+++ b/fs/ecryptfs/crypto.c
@@ -1793,7 +1793,7 @@
static struct list_head key_tfm_list;
struct mutex key_tfm_list_mutex;
-int ecryptfs_init_crypto(void)
+int __init ecryptfs_init_crypto(void)
{
mutex_init(&key_tfm_list_mutex);
INIT_LIST_HEAD(&key_tfm_list);
@@ -2169,7 +2169,6 @@
(ECRYPTFS_FNEK_ENCRYPTED_FILENAME_PREFIX_SIZE
+ encoded_name_no_prefix_size);
(*encoded_name)[(*encoded_name_size)] = '\0';
- (*encoded_name_size)++;
} else {
rc = -EOPNOTSUPP;
}
diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c
index 6c55113..3fbc942 100644
--- a/fs/ecryptfs/inode.c
+++ b/fs/ecryptfs/inode.c
@@ -349,7 +349,7 @@
/**
* ecryptfs_new_lower_dentry
- * @ename: The name of the new dentry.
+ * @name: The name of the new dentry.
* @lower_dir_dentry: Parent directory of the new dentry.
* @nd: nameidata from last lookup.
*
@@ -386,20 +386,19 @@
* ecryptfs_lookup_one_lower
* @ecryptfs_dentry: The eCryptfs dentry that we are looking up
* @lower_dir_dentry: lower parent directory
+ * @name: lower file name
*
* Get the lower dentry from vfs. If lower dentry does not exist yet,
* create it.
*/
static struct dentry *
ecryptfs_lookup_one_lower(struct dentry *ecryptfs_dentry,
- struct dentry *lower_dir_dentry)
+ struct dentry *lower_dir_dentry, struct qstr *name)
{
struct nameidata nd;
struct vfsmount *lower_mnt;
- struct qstr *name;
int err;
- name = &ecryptfs_dentry->d_name;
lower_mnt = mntget(ecryptfs_dentry_to_lower_mnt(
ecryptfs_dentry->d_parent));
err = vfs_path_lookup(lower_dir_dentry, lower_mnt, name->name , 0, &nd);
@@ -434,6 +433,7 @@
size_t encrypted_and_encoded_name_size;
struct ecryptfs_mount_crypt_stat *mount_crypt_stat = NULL;
struct dentry *lower_dir_dentry, *lower_dentry;
+ struct qstr lower_name;
int rc = 0;
ecryptfs_dentry->d_op = &ecryptfs_dops;
@@ -444,9 +444,17 @@
goto out_d_drop;
}
lower_dir_dentry = ecryptfs_dentry_to_lower(ecryptfs_dentry->d_parent);
-
+ lower_name.name = ecryptfs_dentry->d_name.name;
+ lower_name.len = ecryptfs_dentry->d_name.len;
+ lower_name.hash = ecryptfs_dentry->d_name.hash;
+ if (lower_dir_dentry->d_op && lower_dir_dentry->d_op->d_hash) {
+ rc = lower_dir_dentry->d_op->d_hash(lower_dir_dentry,
+ &lower_name);
+ if (rc < 0)
+ goto out_d_drop;
+ }
lower_dentry = ecryptfs_lookup_one_lower(ecryptfs_dentry,
- lower_dir_dentry);
+ lower_dir_dentry, &lower_name);
if (IS_ERR(lower_dentry)) {
rc = PTR_ERR(lower_dentry);
ecryptfs_printk(KERN_DEBUG, "%s: lookup_one_lower() returned "
@@ -471,8 +479,17 @@
"filename; rc = [%d]\n", __func__, rc);
goto out_d_drop;
}
+ lower_name.name = encrypted_and_encoded_name;
+ lower_name.len = encrypted_and_encoded_name_size;
+ lower_name.hash = full_name_hash(lower_name.name, lower_name.len);
+ if (lower_dir_dentry->d_op && lower_dir_dentry->d_op->d_hash) {
+ rc = lower_dir_dentry->d_op->d_hash(lower_dir_dentry,
+ &lower_name);
+ if (rc < 0)
+ goto out_d_drop;
+ }
lower_dentry = ecryptfs_lookup_one_lower(ecryptfs_dentry,
- lower_dir_dentry);
+ lower_dir_dentry, &lower_name);
if (IS_ERR(lower_dentry)) {
rc = PTR_ERR(lower_dentry);
ecryptfs_printk(KERN_DEBUG, "%s: lookup_one_lower() returned "
diff --git a/fs/ecryptfs/keystore.c b/fs/ecryptfs/keystore.c
index 89c5476..73811cf 100644
--- a/fs/ecryptfs/keystore.c
+++ b/fs/ecryptfs/keystore.c
@@ -515,6 +515,7 @@
if (!s) {
printk(KERN_ERR "%s: Out of memory whilst trying to kmalloc "
"[%zd] bytes of kernel memory\n", __func__, sizeof(*s));
+ rc = -ENOMEM;
goto out;
}
s->desc.flags = CRYPTO_TFM_REQ_MAY_SLEEP;
@@ -806,6 +807,7 @@
if (!s) {
printk(KERN_ERR "%s: Out of memory whilst trying to kmalloc "
"[%zd] bytes of kernel memory\n", __func__, sizeof(*s));
+ rc = -ENOMEM;
goto out;
}
s->desc.flags = CRYPTO_TFM_REQ_MAY_SLEEP;
diff --git a/fs/ecryptfs/kthread.c b/fs/ecryptfs/kthread.c
index d8c3a37..0851ab6 100644
--- a/fs/ecryptfs/kthread.c
+++ b/fs/ecryptfs/kthread.c
@@ -86,7 +86,7 @@
return 0;
}
-int ecryptfs_init_kthread(void)
+int __init ecryptfs_init_kthread(void)
{
int rc = 0;
diff --git a/fs/ecryptfs/messaging.c b/fs/ecryptfs/messaging.c
index bcb68c0..ab22480 100644
--- a/fs/ecryptfs/messaging.c
+++ b/fs/ecryptfs/messaging.c
@@ -473,7 +473,7 @@
return rc;
}
-int ecryptfs_init_messaging(void)
+int __init ecryptfs_init_messaging(void)
{
int i;
int rc = 0;
diff --git a/fs/ecryptfs/miscdev.c b/fs/ecryptfs/miscdev.c
index 3745f61..00208c3 100644
--- a/fs/ecryptfs/miscdev.c
+++ b/fs/ecryptfs/miscdev.c
@@ -500,7 +500,7 @@
*
* Returns zero on success; non-zero otherwise
*/
-int ecryptfs_init_ecryptfs_miscdev(void)
+int __init ecryptfs_init_ecryptfs_miscdev(void)
{
int rc;