ACPI: Fix now signed module parameter.

[safe/jmp/linux-2.6] / fs / ecryptfs / main.c

diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c
index f36ab2f..448dfd5 100644 (file)
--- a/fs/ecryptfs/main.c
+++ b/fs/ecryptfs/main.c
@@ -117,7 +117,7 @@ void __ecryptfs_printk(const char *fmt, ...)
  *
  * Returns zero on success; non-zero otherwise
  */
-static int ecryptfs_init_persistent_file(struct dentry *ecryptfs_dentry)
+int ecryptfs_init_persistent_file(struct dentry *ecryptfs_dentry)
 {
        struct ecryptfs_inode_info *inode_info =
                ecryptfs_inode_to_private(ecryptfs_dentry->d_inode);
@@ -149,14 +149,14 @@ static int ecryptfs_init_persistent_file(struct dentry *ecryptfs_dentry)
  * @lower_dentry: Existing dentry in the lower filesystem
  * @dentry: ecryptfs' dentry
  * @sb: ecryptfs's super_block
- * @flag: If set to true, then d_add is called, else d_instantiate is called
+ * @flags: flags to govern behavior of interpose procedure
  *
  * Interposes upper and lower dentries.
  *
  * Returns zero on success; non-zero otherwise
  */
 int ecryptfs_interpose(struct dentry *lower_dentry, struct dentry *dentry,
-                      struct super_block *sb, int flag)
+                      struct super_block *sb, u32 flags)
 {
        struct inode *lower_inode;
        struct inode *inode;
@@ -193,7 +193,7 @@ int ecryptfs_interpose(struct dentry *lower_dentry, struct dentry *dentry,
                init_special_inode(inode, lower_inode->i_mode,
                                   lower_inode->i_rdev);
        dentry->d_op = &ecryptfs_dops;
-       if (flag)
+       if (flags & ECRYPTFS_INTERPOSE_FLAG_D_ADD)
                d_add(dentry, inode);
        else
                d_instantiate(dentry, inode);
@@ -201,13 +201,6 @@ int ecryptfs_interpose(struct dentry *lower_dentry, struct dentry *dentry,
        /* This size will be overwritten for real files w/ headers and
         * other metadata */
        fsstack_copy_inode_size(inode, lower_inode);
-       rc = ecryptfs_init_persistent_file(dentry);
-       if (rc) {
-               printk(KERN_ERR "%s: Error attempting to initialize the "
-                      "persistent file for the dentry with name [%s]; "
-                      "rc = [%d]\n", __func__, dentry->d_name.name, rc);
-               goto out;
-       }
 out:
        return rc;
 }
@@ -248,10 +241,11 @@ static int ecryptfs_init_global_auth_toks(
                               "session keyring for sig specified in mount "
                               "option: [%s]\n", global_auth_tok->sig);
                        global_auth_tok->flags |= ECRYPTFS_AUTH_TOK_INVALID;
-                       rc = 0;
+                       goto out;
                } else
                        global_auth_tok->flags &= ~ECRYPTFS_AUTH_TOK_INVALID;
        }
+out:
        return rc;
 }
 
@@ -300,7 +294,6 @@ static int ecryptfs_parse_options(struct super_block *sb, char *options)
        char *cipher_name_dst;
        char *cipher_name_src;
        char *cipher_key_bytes_src;
-       int cipher_name_len;
 
        if (!options) {
                rc = -EINVAL;
@@ -381,17 +374,12 @@ static int ecryptfs_parse_options(struct super_block *sb, char *options)
                goto out;
        }
        if (!cipher_name_set) {
-               cipher_name_len = strlen(ECRYPTFS_DEFAULT_CIPHER);
-               if (unlikely(cipher_name_len
-                            >= ECRYPTFS_MAX_CIPHER_NAME_SIZE)) {
-                       rc = -EINVAL;
-                       BUG();
-                       goto out;
-               }
-               memcpy(mount_crypt_stat->global_default_cipher_name,
-                      ECRYPTFS_DEFAULT_CIPHER, cipher_name_len);
-               mount_crypt_stat->global_default_cipher_name[cipher_name_len]
-                   = '\0';
+               int cipher_name_len = strlen(ECRYPTFS_DEFAULT_CIPHER);
+
+               BUG_ON(cipher_name_len >= ECRYPTFS_MAX_CIPHER_NAME_SIZE);
+
+               strcpy(mount_crypt_stat->global_default_cipher_name,
+                      ECRYPTFS_DEFAULT_CIPHER);
        }
        if (!cipher_key_bytes_set) {
                mount_crypt_stat->global_default_cipher_key_size = 0;
@@ -416,7 +404,6 @@ static int ecryptfs_parse_options(struct super_block *sb, char *options)
                printk(KERN_WARNING "One or more global auth toks could not "
                       "properly register; rc = [%d]\n", rc);
        }
-       rc = 0;
 out:
        return rc;
 }
@@ -591,7 +578,7 @@ static struct file_system_type ecryptfs_fs_type = {
  * Initializes the ecryptfs_inode_info_cache when it is created
  */
 static void
-inode_info_init_once(struct kmem_cache *cachep, void *vptr)
+inode_info_init_once(void *vptr)
 {
        struct ecryptfs_inode_info *ei = (struct ecryptfs_inode_info *)vptr;
 
@@ -602,7 +589,7 @@ static struct ecryptfs_cache_info {
        struct kmem_cache **cache;
        const char *name;
        size_t size;
-       void (*ctor)(struct kmem_cache *cache, void *obj);
+       void (*ctor)(void *obj);
 } ecryptfs_cache_infos[] = {
        {
                .cache = &ecryptfs_auth_tok_list_item_cache,