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authorTrevor Highland <thighlan@gmail.com>2008-02-06 01:38:36 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-06 10:41:13 -0800
commit19e66a67e9b25874cd5e184e7d381ce1b955df11 (patch)
tree6dfd5c9771a99ddf7f3978ff6be466267727e2d5 /fs/ecryptfs
parent25bd8174036036f427b039e4857feac6c6912a37 (diff)
downloadop-kernel-dev-19e66a67e9b25874cd5e184e7d381ce1b955df11.zip
op-kernel-dev-19e66a67e9b25874cd5e184e7d381ce1b955df11.tar.gz
eCryptfs: change the type of cipher_code from u16 to u8
Only the lower byte of cipher_code is ever used, so it makes sense for its type to be u8. Signed-off-by: Trevor Highland <trevor.highland@gmail.com> Cc: Michael Halcrow <mhalcrow@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/ecryptfs')
-rw-r--r--fs/ecryptfs/crypto.c8
-rw-r--r--fs/ecryptfs/ecryptfs_kernel.h4
-rw-r--r--fs/ecryptfs/keystore.c8
3 files changed, 10 insertions, 10 deletions
diff --git a/fs/ecryptfs/crypto.c b/fs/ecryptfs/crypto.c
index 942edfa..40d1462 100644
--- a/fs/ecryptfs/crypto.c
+++ b/fs/ecryptfs/crypto.c
@@ -1128,7 +1128,7 @@ write_ecryptfs_flags(char *page_virt, struct ecryptfs_crypt_stat *crypt_stat,
struct ecryptfs_cipher_code_str_map_elem {
char cipher_str[16];
- u16 cipher_code;
+ u8 cipher_code;
};
/* Add support for additional ciphers by adding elements here. The
@@ -1152,10 +1152,10 @@ ecryptfs_cipher_code_str_map[] = {
*
* Returns zero on no match, or the cipher code on match
*/
-u16 ecryptfs_code_for_cipher_string(struct ecryptfs_crypt_stat *crypt_stat)
+u8 ecryptfs_code_for_cipher_string(struct ecryptfs_crypt_stat *crypt_stat)
{
int i;
- u16 code = 0;
+ u8 code = 0;
struct ecryptfs_cipher_code_str_map_elem *map =
ecryptfs_cipher_code_str_map;
@@ -1187,7 +1187,7 @@ u16 ecryptfs_code_for_cipher_string(struct ecryptfs_crypt_stat *crypt_stat)
*
* Returns zero on success
*/
-int ecryptfs_cipher_code_to_string(char *str, u16 cipher_code)
+int ecryptfs_cipher_code_to_string(char *str, u8 cipher_code)
{
int rc = 0;
int i;
diff --git a/fs/ecryptfs/ecryptfs_kernel.h b/fs/ecryptfs/ecryptfs_kernel.h
index 2a61039..f44f71b 100644
--- a/fs/ecryptfs/ecryptfs_kernel.h
+++ b/fs/ecryptfs/ecryptfs_kernel.h
@@ -558,8 +558,8 @@ int ecryptfs_read_and_validate_header_region(char *data,
struct inode *ecryptfs_inode);
int ecryptfs_read_and_validate_xattr_region(char *page_virt,
struct dentry *ecryptfs_dentry);
-u16 ecryptfs_code_for_cipher_string(struct ecryptfs_crypt_stat *crypt_stat);
-int ecryptfs_cipher_code_to_string(char *str, u16 cipher_code);
+u8 ecryptfs_code_for_cipher_string(struct ecryptfs_crypt_stat *crypt_stat);
+int ecryptfs_cipher_code_to_string(char *str, u8 cipher_code);
void ecryptfs_set_default_sizes(struct ecryptfs_crypt_stat *crypt_stat);
int ecryptfs_generate_key_packet_set(char *dest_base,
struct ecryptfs_crypt_stat *crypt_stat,
diff --git a/fs/ecryptfs/keystore.c b/fs/ecryptfs/keystore.c
index f458c1f..682b1b2 100644
--- a/fs/ecryptfs/keystore.c
+++ b/fs/ecryptfs/keystore.c
@@ -189,7 +189,7 @@ out:
}
static int
-parse_tag_65_packet(struct ecryptfs_session_key *session_key, u16 *cipher_code,
+parse_tag_65_packet(struct ecryptfs_session_key *session_key, u8 *cipher_code,
struct ecryptfs_message *msg)
{
size_t i = 0;
@@ -275,7 +275,7 @@ out:
static int
-write_tag_66_packet(char *signature, size_t cipher_code,
+write_tag_66_packet(char *signature, u8 cipher_code,
struct ecryptfs_crypt_stat *crypt_stat, char **packet,
size_t *packet_len)
{
@@ -428,7 +428,7 @@ static int
decrypt_pki_encrypted_session_key(struct ecryptfs_auth_tok *auth_tok,
struct ecryptfs_crypt_stat *crypt_stat)
{
- u16 cipher_code = 0;
+ u8 cipher_code = 0;
struct ecryptfs_msg_ctx *msg_ctx;
struct ecryptfs_message *msg = NULL;
char *auth_tok_sig;
@@ -1537,7 +1537,7 @@ write_tag_3_packet(char *dest, size_t *remaining_bytes,
struct scatterlist dst_sg;
struct scatterlist src_sg;
struct mutex *tfm_mutex = NULL;
- size_t cipher_code;
+ u8 cipher_code;
size_t packet_size_length;
size_t max_packet_size;
struct ecryptfs_mount_crypt_stat *mount_crypt_stat =
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