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-rw-r--r--fs/ecryptfs/crypto.c25
-rw-r--r--fs/ecryptfs/debug.c4
-rw-r--r--fs/ecryptfs/dentry.c2
-rw-r--r--fs/ecryptfs/ecryptfs_kernel.h2
-rw-r--r--fs/ecryptfs/file.c4
-rw-r--r--fs/ecryptfs/inode.c11
-rw-r--r--fs/ecryptfs/keystore.c15
-rw-r--r--fs/ecryptfs/kthread.c3
-rw-r--r--fs/ecryptfs/main.c30
-rw-r--r--fs/ecryptfs/messaging.c14
-rw-r--r--fs/ecryptfs/miscdev.c3
-rw-r--r--fs/ecryptfs/mmap.c11
-rw-r--r--fs/ecryptfs/read_write.c4
-rw-r--r--fs/ecryptfs/super.c8
14 files changed, 73 insertions, 63 deletions
diff --git a/fs/ecryptfs/crypto.c b/fs/ecryptfs/crypto.c
index 943e523f4c9d..345f8061e3b4 100644
--- a/fs/ecryptfs/crypto.c
+++ b/fs/ecryptfs/crypto.c
@@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-or-later
-/**
+/*
* eCryptfs: Linux filesystem encryption layer
*
* Copyright (C) 1997-2004 Erez Zadok
@@ -350,7 +350,7 @@ out:
return rc;
}
-/**
+/*
* lower_offset_for_page
*
* Convert an eCryptfs page index into a lower byte offset
@@ -535,7 +535,7 @@ int ecryptfs_decrypt_page(struct page *page)
rc = crypt_extent(crypt_stat, page, page,
extent_offset, DECRYPT);
if (rc) {
- printk(KERN_ERR "%s: Error encrypting extent; "
+ printk(KERN_ERR "%s: Error decrypting extent; "
"rc = [%d]\n", __func__, rc);
goto out;
}
@@ -627,9 +627,8 @@ void ecryptfs_set_default_sizes(struct ecryptfs_crypt_stat *crypt_stat)
}
}
-/**
+/*
* ecryptfs_compute_root_iv
- * @crypt_stats
*
* On error, sets the root IV to all 0's.
*/
@@ -1370,7 +1369,7 @@ int ecryptfs_read_and_validate_xattr_region(struct dentry *dentry,
return rc;
}
-/**
+/*
* ecryptfs_read_metadata
*
* Common entry point for reading file metadata. From here, we could
@@ -1448,7 +1447,7 @@ out:
return rc;
}
-/**
+/*
* ecryptfs_encrypt_filename - encrypt filename
*
* CBC-encrypts the filename. We do not want to encrypt the same
@@ -1590,11 +1589,10 @@ out:
struct kmem_cache *ecryptfs_key_tfm_cache;
static struct list_head key_tfm_list;
-struct mutex key_tfm_list_mutex;
+DEFINE_MUTEX(key_tfm_list_mutex);
int __init ecryptfs_init_crypto(void)
{
- mutex_init(&key_tfm_list_mutex);
INIT_LIST_HEAD(&key_tfm_list);
return 0;
}
@@ -1877,10 +1875,11 @@ out:
/**
* ecryptfs_encrypt_and_encode_filename - converts a plaintext file name to cipher text
- * @crypt_stat: The crypt_stat struct associated with the file anem to encode
+ * @encoded_name: The encrypted name
+ * @encoded_name_size: Length of the encrypted name
+ * @mount_crypt_stat: The crypt_stat struct associated with the file name to encode
* @name: The plaintext name
- * @length: The length of the plaintext
- * @encoded_name: The encypted name
+ * @name_size: The length of the plaintext name
*
* Encrypts and encodes a filename into something that constitutes a
* valid filename for a filesystem, with printable characters.
@@ -1992,7 +1991,7 @@ static bool is_dot_dotdot(const char *name, size_t name_size)
* ecryptfs_decode_and_decrypt_filename - converts the encoded cipher text name to decoded plaintext
* @plaintext_name: The plaintext name
* @plaintext_name_size: The plaintext name size
- * @ecryptfs_dir_dentry: eCryptfs directory dentry
+ * @sb: Ecryptfs's super_block
* @name: The filename in cipher text
* @name_size: The cipher text name size
*
diff --git a/fs/ecryptfs/debug.c b/fs/ecryptfs/debug.c
index 1f65e99f9a41..cf6d0e8e25a1 100644
--- a/fs/ecryptfs/debug.c
+++ b/fs/ecryptfs/debug.c
@@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-or-later
-/**
+/*
* eCryptfs: Linux filesystem encryption layer
* Functions only useful for debugging.
*
@@ -9,7 +9,7 @@
#include "ecryptfs_kernel.h"
-/**
+/*
* ecryptfs_dump_auth_tok - debug function to print auth toks
*
* This function will print the contents of an ecryptfs authentication
diff --git a/fs/ecryptfs/dentry.c b/fs/ecryptfs/dentry.c
index 44606f079efb..acaa0825e9bb 100644
--- a/fs/ecryptfs/dentry.c
+++ b/fs/ecryptfs/dentry.c
@@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-or-later
-/**
+/*
* eCryptfs: Linux filesystem encryption layer
*
* Copyright (C) 1997-2003 Erez Zadok
diff --git a/fs/ecryptfs/ecryptfs_kernel.h b/fs/ecryptfs/ecryptfs_kernel.h
index 495fb4514d09..5f2b49e13731 100644
--- a/fs/ecryptfs/ecryptfs_kernel.h
+++ b/fs/ecryptfs/ecryptfs_kernel.h
@@ -513,7 +513,7 @@ ecryptfs_dentry_to_lower_path(struct dentry *dentry)
}
#define ecryptfs_printk(type, fmt, arg...) \
- __ecryptfs_printk(type "%s: " fmt, __func__, ## arg);
+ __ecryptfs_printk(type "%s: " fmt, __func__, ## arg)
__printf(1, 2)
void __ecryptfs_printk(const char *fmt, ...);
diff --git a/fs/ecryptfs/file.c b/fs/ecryptfs/file.c
index 5fb45d865ce5..18d5b91cb573 100644
--- a/fs/ecryptfs/file.c
+++ b/fs/ecryptfs/file.c
@@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-or-later
-/**
+/*
* eCryptfs: Linux filesystem encryption layer
*
* Copyright (C) 1997-2004 Erez Zadok
@@ -19,7 +19,7 @@
#include <linux/fs_stack.h>
#include "ecryptfs_kernel.h"
-/**
+/*
* ecryptfs_read_update_atime
*
* generic_file_read updates the atime of upper layer inode. But, it
diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c
index 0a1ab1db1450..16d50dface59 100644
--- a/fs/ecryptfs/inode.c
+++ b/fs/ecryptfs/inode.c
@@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-or-later
-/**
+/*
* eCryptfs: Linux filesystem encryption layer
*
* Copyright (C) 1997-2004 Erez Zadok
@@ -199,7 +199,7 @@ out_lock:
return inode;
}
-/**
+/*
* ecryptfs_initialize_file
*
* Cause the file to be changed from a basic empty file to an ecryptfs
@@ -242,10 +242,8 @@ out:
return rc;
}
-/**
+/*
* ecryptfs_create
- * @dir: The inode of the directory in which to create the file.
- * @dentry: The eCryptfs dentry
* @mode: The mode of the new file.
*
* Creates a new file.
@@ -313,7 +311,7 @@ static int ecryptfs_i_size_read(struct dentry *dentry, struct inode *inode)
return 0;
}
-/**
+/*
* ecryptfs_lookup_interpose - Dentry interposition for a lookup
*/
static struct dentry *ecryptfs_lookup_interpose(struct dentry *dentry,
@@ -873,6 +871,7 @@ ecryptfs_permission(struct user_namespace *mnt_userns, struct inode *inode,
/**
* ecryptfs_setattr
+ * @mnt_userns: user namespace of the target mount
* @dentry: dentry handle to the inode to modify
* @ia: Structure with flags of what to change and values
*
diff --git a/fs/ecryptfs/keystore.c b/fs/ecryptfs/keystore.c
index f6a17d259db7..3fe41964c0d8 100644
--- a/fs/ecryptfs/keystore.c
+++ b/fs/ecryptfs/keystore.c
@@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-or-later
-/**
+/*
* eCryptfs: Linux filesystem encryption layer
* In-kernel key management code. Includes functions to parse and
* write authentication token-related packets with the underlying
@@ -21,7 +21,7 @@
#include <linux/slab.h>
#include "ecryptfs_kernel.h"
-/**
+/*
* request_key returned an error instead of a valid key address;
* determine the type of error, make appropriate log entries, and
* return an error code.
@@ -536,8 +536,9 @@ out:
/**
* ecryptfs_find_auth_tok_for_sig
+ * @auth_tok_key: key containing the authentication token
* @auth_tok: Set to the matching auth_tok; NULL if not found
- * @crypt_stat: inode crypt_stat crypto context
+ * @mount_crypt_stat: inode crypt_stat crypto context
* @sig: Sig of auth_tok to find
*
* For now, this function simply looks at the registered auth_tok's
@@ -576,7 +577,7 @@ ecryptfs_find_auth_tok_for_sig(
return rc;
}
-/**
+/*
* write_tag_70_packet can gobble a lot of stack space. We stuff most
* of the function's parameters in a kmalloc'd struct to help reduce
* eCryptfs' overall stack usage.
@@ -604,7 +605,7 @@ struct ecryptfs_write_tag_70_packet_silly_stack {
struct shash_desc *hash_desc;
};
-/**
+/*
* write_tag_70_packet - Write encrypted filename (EFN) packet against FNEK
* @filename: NULL-terminated filename string
*
@@ -873,7 +874,7 @@ struct ecryptfs_parse_tag_70_packet_silly_stack {
};
/**
- * parse_tag_70_packet - Parse and process FNEK-encrypted passphrase packet
+ * ecryptfs_parse_tag_70_packet - Parse and process FNEK-encrypted passphrase packet
* @filename: This function kmalloc's the memory for the filename
* @filename_size: This function sets this to the amount of memory
* kmalloc'd for the filename
@@ -1172,7 +1173,7 @@ decrypt_pki_encrypted_session_key(struct ecryptfs_auth_tok *auth_tok,
rc = ecryptfs_cipher_code_to_string(crypt_stat->cipher, cipher_code);
if (rc) {
ecryptfs_printk(KERN_ERR, "Cipher code [%d] is invalid\n",
- cipher_code)
+ cipher_code);
goto out;
}
crypt_stat->flags |= ECRYPTFS_KEY_VALID;
diff --git a/fs/ecryptfs/kthread.c b/fs/ecryptfs/kthread.c
index a7c903cb01a0..ae4cb4e2e134 100644
--- a/fs/ecryptfs/kthread.c
+++ b/fs/ecryptfs/kthread.c
@@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-or-later
-/**
+/*
* eCryptfs: Linux filesystem encryption layer
*
* Copyright (C) 2008 International Business Machines Corp.
@@ -108,6 +108,7 @@ void ecryptfs_destroy_kthread(void)
* @lower_file: Result of dentry_open by root on lower dentry
* @lower_dentry: Lower dentry for file to open
* @lower_mnt: Lower vfsmount for file to open
+ * @cred: credential to use for this call
*
* This function gets a r/w file opened against the lower dentry.
*
diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c
index cdf40a54a35d..d66bbd2df191 100644
--- a/fs/ecryptfs/main.c
+++ b/fs/ecryptfs/main.c
@@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-or-later
-/**
+/*
* eCryptfs: Linux filesystem encryption layer
*
* Copyright (C) 1997-2003 Erez Zadok
@@ -24,7 +24,7 @@
#include <linux/magic.h>
#include "ecryptfs_kernel.h"
-/**
+/*
* Module parameter that defines the ecryptfs_verbosity level.
*/
int ecryptfs_verbosity = 0;
@@ -34,7 +34,7 @@ MODULE_PARM_DESC(ecryptfs_verbosity,
"Initial verbosity level (0 or 1; defaults to "
"0, which is Quiet)");
-/**
+/*
* Module parameter that defines the number of message buffer elements
*/
unsigned int ecryptfs_message_buf_len = ECRYPTFS_DEFAULT_MSG_CTX_ELEMS;
@@ -43,7 +43,7 @@ module_param(ecryptfs_message_buf_len, uint, 0);
MODULE_PARM_DESC(ecryptfs_message_buf_len,
"Number of message buffer elements");
-/**
+/*
* Module parameter that defines the maximum guaranteed amount of time to wait
* for a response from ecryptfsd. The actual sleep time will be, more than
* likely, a small amount greater than this specified value, but only less if
@@ -57,7 +57,7 @@ MODULE_PARM_DESC(ecryptfs_message_wait_timeout,
"sleep while waiting for a message response from "
"userspace");
-/**
+/*
* Module parameter that is an estimate of the maximum number of users
* that will be concurrently using eCryptfs. Set this to the right
* value to balance performance and memory use.
@@ -80,7 +80,7 @@ void __ecryptfs_printk(const char *fmt, ...)
va_end(args);
}
-/**
+/*
* ecryptfs_init_lower_file
* @ecryptfs_dentry: Fully initialized eCryptfs dentry object, with
* the lower dentry and the lower mount set
@@ -221,7 +221,7 @@ static void ecryptfs_init_mount_crypt_stat(
/**
* ecryptfs_parse_options
- * @sb: The ecryptfs super block
+ * @sbi: The ecryptfs super block
* @options: The options passed to the kernel
* @check_ruid: set to 1 if device uid should be checked against the ruid
*
@@ -466,10 +466,10 @@ out:
struct kmem_cache *ecryptfs_sb_info_cache;
static struct file_system_type ecryptfs_fs_type;
-/**
- * ecryptfs_get_sb
- * @fs_type
- * @flags
+/*
+ * ecryptfs_mount
+ * @fs_type: The filesystem type that the superblock should belong to
+ * @flags: The flags associated with the mount
* @dev_name: The path to mount over
* @raw_data: The options passed into the kernel
*/
@@ -492,6 +492,12 @@ static struct dentry *ecryptfs_mount(struct file_system_type *fs_type, int flags
goto out;
}
+ if (!dev_name) {
+ rc = -EINVAL;
+ err = "Device name cannot be null";
+ goto out;
+ }
+
rc = ecryptfs_parse_options(sbi, raw_data, &check_ruid);
if (rc) {
err = "Error parsing options";
@@ -635,7 +641,7 @@ static struct file_system_type ecryptfs_fs_type = {
};
MODULE_ALIAS_FS("ecryptfs");
-/**
+/*
* inode_info_init_once
*
* Initializes the ecryptfs_inode_info_cache when it is created
diff --git a/fs/ecryptfs/messaging.c b/fs/ecryptfs/messaging.c
index c0dfd9647627..6318f3500e5c 100644
--- a/fs/ecryptfs/messaging.c
+++ b/fs/ecryptfs/messaging.c
@@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-only
-/**
+/*
* eCryptfs: Linux filesystem encryption layer
*
* Copyright (C) 2004-2008 International Business Machines Corp.
@@ -14,10 +14,10 @@
static LIST_HEAD(ecryptfs_msg_ctx_free_list);
static LIST_HEAD(ecryptfs_msg_ctx_alloc_list);
-static struct mutex ecryptfs_msg_ctx_lists_mux;
+static DEFINE_MUTEX(ecryptfs_msg_ctx_lists_mux);
static struct hlist_head *ecryptfs_daemon_hash;
-struct mutex ecryptfs_daemon_hash_mux;
+DEFINE_MUTEX(ecryptfs_daemon_hash_mux);
static int ecryptfs_hash_bits;
#define ecryptfs_current_euid_hash(uid) \
hash_long((unsigned long)from_kuid(&init_user_ns, current_euid()), ecryptfs_hash_bits)
@@ -147,7 +147,7 @@ out:
return rc;
}
-/**
+/*
* ecryptfs_exorcise_daemon - Destroy the daemon struct
*
* Must be called ceremoniously while in possession of
@@ -181,7 +181,8 @@ out:
}
/**
- * ecryptfs_process_reponse
+ * ecryptfs_process_response
+ * @daemon: eCryptfs daemon object
* @msg: The ecryptfs message received; the caller should sanity check
* msg->data_len and free the memory
* @seq: The sequence number of the message; must match the sequence
@@ -250,6 +251,7 @@ out:
* ecryptfs_send_message_locked
* @data: The data to send
* @data_len: The length of data
+ * @msg_type: Type of message
* @msg_ctx: The message context allocated for the send
*
* Must be called with ecryptfs_daemon_hash_mux held.
@@ -359,7 +361,6 @@ int __init ecryptfs_init_messaging(void)
"too large, defaulting to [%d] users\n", __func__,
ecryptfs_number_of_users);
}
- mutex_init(&ecryptfs_daemon_hash_mux);
mutex_lock(&ecryptfs_daemon_hash_mux);
ecryptfs_hash_bits = 1;
while (ecryptfs_number_of_users >> ecryptfs_hash_bits)
@@ -383,7 +384,6 @@ int __init ecryptfs_init_messaging(void)
rc = -ENOMEM;
goto out;
}
- mutex_init(&ecryptfs_msg_ctx_lists_mux);
mutex_lock(&ecryptfs_msg_ctx_lists_mux);
ecryptfs_msg_counter = 0;
for (i = 0; i < ecryptfs_message_buf_len; i++) {
diff --git a/fs/ecryptfs/miscdev.c b/fs/ecryptfs/miscdev.c
index 742ece22c1d4..4e62c3cef70f 100644
--- a/fs/ecryptfs/miscdev.c
+++ b/fs/ecryptfs/miscdev.c
@@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-only
-/**
+/*
* eCryptfs: Linux filesystem encryption layer
*
* Copyright (C) 2008 International Business Machines Corp.
@@ -312,6 +312,7 @@ out_unlock_daemon:
/**
* ecryptfs_miscdev_response - miscdevess response to message previously sent to daemon
+ * @daemon: eCryptfs daemon object
* @data: Bytes comprising struct ecryptfs_message
* @data_size: sizeof(struct ecryptfs_message) + data len
* @seq: Sequence number for miscdev response packet
diff --git a/fs/ecryptfs/mmap.c b/fs/ecryptfs/mmap.c
index 2f333a40ff4d..392e721b50a3 100644
--- a/fs/ecryptfs/mmap.c
+++ b/fs/ecryptfs/mmap.c
@@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-or-later
-/**
+/*
* eCryptfs: Linux filesystem encryption layer
* This is where eCryptfs coordinates the symmetric encryption and
* decryption of the file data as it passes between the lower
@@ -22,7 +22,7 @@
#include <asm/unaligned.h>
#include "ecryptfs_kernel.h"
-/**
+/*
* ecryptfs_get_locked_page
*
* Get one page from cache or lower f/s, return error otherwise.
@@ -41,6 +41,7 @@ struct page *ecryptfs_get_locked_page(struct inode *inode, loff_t index)
/**
* ecryptfs_writepage
* @page: Page that is locked before this call is made
+ * @wbc: Write-back control structure
*
* Returns zero on success; non-zero otherwise
*
@@ -78,7 +79,7 @@ static void strip_xattr_flag(char *page_virt,
}
}
-/**
+/*
* Header Extent:
* Octets 0-7: Unencrypted file size (big-endian)
* Octets 8-15: eCryptfs special marker
@@ -229,7 +230,7 @@ out:
return rc;
}
-/**
+/*
* Called with lower inode mutex held.
*/
static int fill_zeros_to_end_of_page(struct page *page, unsigned int to)
@@ -368,7 +369,7 @@ out:
return rc;
}
-/**
+/*
* ecryptfs_write_inode_size_to_header
*
* Writes the lower file size to the first 8 bytes of the header.
diff --git a/fs/ecryptfs/read_write.c b/fs/ecryptfs/read_write.c
index 0438997ac9d8..60bdcaddcbe5 100644
--- a/fs/ecryptfs/read_write.c
+++ b/fs/ecryptfs/read_write.c
@@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-or-later
-/**
+/*
* eCryptfs: Linux filesystem encryption layer
*
* Copyright (C) 2007 International Business Machines Corp.
@@ -230,6 +230,8 @@ int ecryptfs_read_lower(char *data, loff_t offset, size_t size,
* ecryptfs_read_lower_page_segment
* @page_for_ecryptfs: The page into which data for eCryptfs will be
* written
+ * @page_index: Page index in @page_for_ecryptfs from which to start
+ * writing
* @offset_in_page: Offset in @page_for_ecryptfs from which to start
* writing
* @size: The number of bytes to write into @page_for_ecryptfs
diff --git a/fs/ecryptfs/super.c b/fs/ecryptfs/super.c
index 6b1853f1c06a..39116af0390f 100644
--- a/fs/ecryptfs/super.c
+++ b/fs/ecryptfs/super.c
@@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-or-later
-/**
+/*
* eCryptfs: Linux filesystem encryption layer
*
* Copyright (C) 1997-2003 Erez Zadok
@@ -81,7 +81,7 @@ static void ecryptfs_destroy_inode(struct inode *inode)
/**
* ecryptfs_statfs
- * @sb: The ecryptfs super block
+ * @dentry: The ecryptfs dentry
* @buf: The struct kstatfs to fill in with stats
*
* Get the filesystem statistics. Currently, we let this pass right through
@@ -108,7 +108,7 @@ static int ecryptfs_statfs(struct dentry *dentry, struct kstatfs *buf)
/**
* ecryptfs_evict_inode
- * @inode - The ecryptfs inode
+ * @inode: The ecryptfs inode
*
* Called by iput() when the inode reference count reached zero
* and the inode is not hashed anywhere. Used to clear anything
@@ -123,7 +123,7 @@ static void ecryptfs_evict_inode(struct inode *inode)
iput(ecryptfs_inode_to_lower(inode));
}
-/**
+/*
* ecryptfs_show_options
*
* Prints the mount options for a given superblock.
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-11-22 17:09:05 +0000