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TOMOYO: Use GFP_NOFS rather than GFP_KERNEL.

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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
zatwierdzone przez James Morris
rodzic a674fa46c7
commit 4e5d6f7ec3
4 zmienionych plików z 18 dodań i 18 usunięć
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12
security/tomoyo/file.c
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@@ -99,7 +99,7 @@ static struct tomoyo_path_info *tomoyo_get_path(struct path *path)
{
int error;
struct tomoyo_path_info_with_data *buf = kzalloc(sizeof(*buf),
GFP_KERNEL);
GFP_NOFS);
if (!buf)
return NULL;
@@ -174,7 +174,7 @@ static int tomoyo_update_globally_readable_entry(const char *filename,
if (!saved_filename)
return -ENOMEM;
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_globally_readable_list, list) {
if (ptr->filename != saved_filename)
@@ -321,7 +321,7 @@ static int tomoyo_update_file_pattern_entry(const char *pattern,
if (!saved_pattern->is_patterned)
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_pattern_list, list) {
if (saved_pattern != ptr->pattern)
@@ -474,7 +474,7 @@ static int tomoyo_update_no_rewrite_entry(const char *pattern,
if (!saved_pattern)
return error;
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_no_rewrite_list, list) {
if (ptr->pattern != saved_pattern)
@@ -820,7 +820,7 @@ static int tomoyo_update_path_acl(const u8 type, const char *filename,
if (!saved_filename)
return -ENOMEM;
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, &domain->acl_info_list, list) {
struct tomoyo_path_acl *acl =
@@ -906,7 +906,7 @@ static int tomoyo_update_path2_acl(const u8 type, const char *filename1,
if (!saved_filename1 || !saved_filename2)
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, &domain->acl_info_list, list) {
struct tomoyo_path2_acl *acl =