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TOMOYO: Use GFP_NOFS rather than GFP_KERNEL.

소스 검색 
In Ubuntu, security_path_*() hooks are exported to Unionfs. Thus, prepare for
being called from inside VFS functions because I'm not sure whether it is safe
to use GFP_KERNEL or not.

Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: James Morris <jmorris@namei.org>
This commit is contained in:
Tetsuo Handa
2010-04-28 14:17:42 +09:00
committed by James Morris
부모 a674fa46c7
커밋 4e5d6f7ec3
4개의 변경된 파일과 18개의 추가작업 그리고 18개의 파일을 삭제
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10
security/tomoyo/domain.c
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@@ -152,7 +152,7 @@ static int tomoyo_update_domain_initializer_entry(const char *domainname,
if (!saved_program)
goto out;
if (!is_delete)
entry = kmalloc(sizeof(*entry), GFP_KERNEL);
entry = kmalloc(sizeof(*entry), GFP_NOFS);
mutex_lock(&tomoyo_policy_lock);
list_for_each_entry_rcu(ptr, &tomoyo_domain_initializer_list, list) {
if (ptr->is_not != is_not ||
@@ -372,7 +372,7 @@ static int tomoyo_update_domain_keeper_entry(const char *domainname,
if (!saved_domainname)
goto out;
if (!is_delete)
entry = kmalloc(sizeof(*entry), GFP_KERNEL);
entry = kmalloc(sizeof(*entry), GFP_NOFS);
mutex_lock(&tomoyo_policy_lock);
list_for_each_entry_rcu(ptr, &tomoyo_domain_keeper_list, list) {
if (ptr->is_not != is_not ||
@@ -564,7 +564,7 @@ static int tomoyo_update_alias_entry(const char *original_name,
if (!saved_original_name || !saved_aliased_name)
goto out;
if (!is_delete)
entry = kmalloc(sizeof(*entry), GFP_KERNEL);
entry = kmalloc(sizeof(*entry), GFP_NOFS);
mutex_lock(&tomoyo_policy_lock);
list_for_each_entry_rcu(ptr, &tomoyo_alias_list, list) {
if (ptr->original_name != saved_original_name ||
@@ -664,7 +664,7 @@ struct tomoyo_domain_info *tomoyo_find_or_assign_new_domain(const char *
saved_domainname = tomoyo_get_name(domainname);
if (!saved_domainname)
return NULL;
entry = kzalloc(sizeof(*entry), GFP_KERNEL);
entry = kzalloc(sizeof(*entry), GFP_NOFS);
mutex_lock(&tomoyo_policy_lock);
list_for_each_entry_rcu(domain, &tomoyo_domain_list, list) {
if (domain->is_deleted ||
@@ -704,7 +704,7 @@ int tomoyo_find_next_domain(struct linux_binprm *bprm)
* This function assumes that the size of buffer returned by
* tomoyo_realpath() = TOMOYO_MAX_PATHNAME_LEN.
*/
struct tomoyo_page_buffer *tmp = kzalloc(sizeof(*tmp), GFP_KERNEL);
struct tomoyo_page_buffer *tmp = kzalloc(sizeof(*tmp), GFP_NOFS);
struct tomoyo_domain_info *old_domain = tomoyo_domain();
struct tomoyo_domain_info *domain = NULL;
const char *old_domain_name = old_domain->domainname->name;