[PATCH] eCryptfs: Clean up crypto initialization

Clean up the crypto initialization code; let the crypto API take care of the
key size checks.

Signed-off-by: Michael Halcrow <mhalcrow@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 2 insertions, 11 deletions

diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c
index 5938a232d11b..a65f4865182c 100644
--- a/fs/ecryptfs/main.c
+++ b/fs/ecryptfs/main.c
@@ -208,7 +208,6 @@ static int ecryptfs_parse_options(struct super_block *sb, char *options)
         char *cipher_name_dst;
         char *cipher_name_src;
         char *cipher_key_bytes_src;
-        struct crypto_tfm *tmp_tfm;
         int cipher_name_len;
 
         if (!options) {
@@ -305,20 +304,12 @@ static int ecryptfs_parse_options(struct super_block *sb, char *options)
                     = '\0';
         }
         if (!cipher_key_bytes_set) {
-                mount_crypt_stat->global_default_cipher_key_size =
-                        ECRYPTFS_DEFAULT_KEY_BYTES;
-                ecryptfs_printk(KERN_DEBUG, "Cipher key size was not "
-                                "specified.  Defaulting to [%d]\n",
-                                mount_crypt_stat->
-                                global_default_cipher_key_size);
+                mount_crypt_stat->global_default_cipher_key_size = 0;
         }
         rc = ecryptfs_process_cipher(
-                &tmp_tfm,
                 &mount_crypt_stat->global_key_tfm,
                 mount_crypt_stat->global_default_cipher_name,
-                mount_crypt_stat->global_default_cipher_key_size);
-        if (tmp_tfm)
-                crypto_free_tfm(tmp_tfm);
+                &mount_crypt_stat->global_default_cipher_key_size);
         if (rc) {
                 printk(KERN_ERR "Error attempting to initialize cipher [%s] "
                        "with key size [%Zd] bytes; rc = [%d]\n",