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-rw-r--r--fs/ecryptfs/main.c30
1 files changed, 18 insertions, 12 deletions
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