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eCryptfs: use list_for_each_entry_safe() when wiping auth toks 

Use list_for_each_entry_safe() when wiping the authentication token list.

Signed-off-by: Michael Halcrow <mhalcrow@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Michael Halcrow 2007-10-16 01:27:55 -07:00 committed by Linus Torvalds
parent f4aad16adf
commit e0869cc144
1 changed files with 4 additions and 11 deletions
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15
fs/ecryptfs/keystore.c
View File

@ -469,26 +469,19 @@ out:
static void wipe_auth_tok_list(struct list_head *auth_tok_list_head)
{
struct list_head *walker;
struct ecryptfs_auth_tok_list_item *auth_tok_list_item;
struct ecryptfs_auth_tok_list_item *auth_tok_list_item_tmp;
walker = auth_tok_list_head->next;
while (walker != auth_tok_list_head) {
auth_tok_list_item =
list_entry(walker, struct ecryptfs_auth_tok_list_item,
list);
walker = auth_tok_list_item->list.next;
memset(auth_tok_list_item, 0,
sizeof(struct ecryptfs_auth_tok_list_item));
list_for_each_entry_safe(auth_tok_list_item, auth_tok_list_item_tmp,
auth_tok_list_head, list) {
list_del(&auth_tok_list_item->list);
kmem_cache_free(ecryptfs_auth_tok_list_item_cache,
auth_tok_list_item);
}
auth_tok_list_head->next = NULL;
}
struct kmem_cache *ecryptfs_auth_tok_list_item_cache;
/**
* parse_tag_1_packet
* @crypt_stat: The cryptographic context to modify based on packet