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ecryptfs_encrypt_and_encode_filename(): drop unused argument 

the last time it was getting something other than NULL as
crypt_stat had been back in 2009...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2016-02-22 18:14:25 -05:00
parent 6b719e5309
commit 97c3160607
3 changed files with 10 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
fs/ecryptfs/crypto.c
View File

@ -1499,16 +1499,14 @@ out:
*/
static int
ecryptfs_encrypt_filename(struct ecryptfs_filename *filename,
struct ecryptfs_crypt_stat *crypt_stat,
struct ecryptfs_mount_crypt_stat *mount_crypt_stat)
{
int rc = 0;
filename->encrypted_filename = NULL;
filename->encrypted_filename_size = 0;
if ((crypt_stat && (crypt_stat->flags & ECRYPTFS_ENCFN_USE_MOUNT_FNEK))
|| (mount_crypt_stat && (mount_crypt_stat->flags
& ECRYPTFS_GLOBAL_ENCFN_USE_MOUNT_FNEK))) {
if (mount_crypt_stat && (mount_crypt_stat->flags
& ECRYPTFS_GLOBAL_ENCFN_USE_MOUNT_FNEK)) {
size_t packet_size;
size_t remaining_bytes;
@ -1944,7 +1942,6 @@ out:
int ecryptfs_encrypt_and_encode_filename(
char **encoded_name,
size_t *encoded_name_size,
struct ecryptfs_crypt_stat *crypt_stat,
struct ecryptfs_mount_crypt_stat *mount_crypt_stat,
const char *name, size_t name_size)
{
@ -1953,9 +1950,8 @@ int ecryptfs_encrypt_and_encode_filename(
(*encoded_name) = NULL;
(*encoded_name_size) = 0;
if ((crypt_stat && (crypt_stat->flags & ECRYPTFS_ENCRYPT_FILENAMES))
|| (mount_crypt_stat && (mount_crypt_stat->flags
& ECRYPTFS_GLOBAL_ENCRYPT_FILENAMES))) {
if (mount_crypt_stat && (mount_crypt_stat->flags
& ECRYPTFS_GLOBAL_ENCRYPT_FILENAMES)) {
struct ecryptfs_filename *filename;
filename = kzalloc(sizeof(*filename), GFP_KERNEL);
@ -1968,8 +1964,7 @@ int ecryptfs_encrypt_and_encode_filename(
}
filename->filename = (char *)name;
filename->filename_size = name_size;
rc = ecryptfs_encrypt_filename(filename, crypt_stat,
mount_crypt_stat);
rc = ecryptfs_encrypt_filename(filename, mount_crypt_stat);
if (rc) {
printk(KERN_ERR "%s: Error attempting to encrypt "
"filename; rc = [%d]\n", __func__, rc);
@ -1980,11 +1975,9 @@ int ecryptfs_encrypt_and_encode_filename(
NULL, &encoded_name_no_prefix_size,
filename->encrypted_filename,
filename->encrypted_filename_size);
if ((crypt_stat && (crypt_stat->flags
& ECRYPTFS_ENCFN_USE_MOUNT_FNEK))
|| (mount_crypt_stat
if (mount_crypt_stat
&& (mount_crypt_stat->flags
& ECRYPTFS_GLOBAL_ENCFN_USE_MOUNT_FNEK)))
& ECRYPTFS_GLOBAL_ENCFN_USE_MOUNT_FNEK))
(*encoded_name_size) =
(ECRYPTFS_FNEK_ENCRYPTED_FILENAME_PREFIX_SIZE
+ encoded_name_no_prefix_size);
@ -2002,11 +1995,9 @@ int ecryptfs_encrypt_and_encode_filename(
kfree(filename);
goto out;
}
if ((crypt_stat && (crypt_stat->flags
& ECRYPTFS_ENCFN_USE_MOUNT_FNEK))
|| (mount_crypt_stat
if (mount_crypt_stat
&& (mount_crypt_stat->flags
& ECRYPTFS_GLOBAL_ENCFN_USE_MOUNT_FNEK))) {
& ECRYPTFS_GLOBAL_ENCFN_USE_MOUNT_FNEK)) {
memcpy((*encoded_name),
ECRYPTFS_FNEK_ENCRYPTED_FILENAME_PREFIX,
ECRYPTFS_FNEK_ENCRYPTED_FILENAME_PREFIX_SIZE);

1
fs/ecryptfs/ecryptfs_kernel.h
View File

@ -569,7 +569,6 @@ int ecryptfs_fill_zeros(struct file *file, loff_t new_length);
int ecryptfs_encrypt_and_encode_filename(
char **encoded_name,
size_t *encoded_name_size,
struct ecryptfs_crypt_stat *crypt_stat,
struct ecryptfs_mount_crypt_stat *mount_crypt_stat,
const char *name, size_t name_size);
struct dentry *ecryptfs_lower_dentry(struct dentry *this_dentry);

3
fs/ecryptfs/inode.c
View File

@ -417,7 +417,7 @@ static struct dentry *ecryptfs_lookup(struct inode *ecryptfs_dir_inode,
dput(lower_dentry);
rc = ecryptfs_encrypt_and_encode_filename(
&encrypted_and_encoded_name, &encrypted_and_encoded_name_size,
NULL, mount_crypt_stat, ecryptfs_dentry->d_name.name,
mount_crypt_stat, ecryptfs_dentry->d_name.name,
ecryptfs_dentry->d_name.len);
if (rc) {
printk(KERN_ERR "%s: Error attempting to encrypt and encode "
@ -498,7 +498,6 @@ static int ecryptfs_symlink(struct inode *dir, struct dentry *dentry,
dir->i_sb)->mount_crypt_stat;
rc = ecryptfs_encrypt_and_encode_filename(&encoded_symname,
&encoded_symlen,
NULL,
mount_crypt_stat, symname,
strlen(symname));
if (rc)