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Diffstat (limited to 'security')
-rw-r--r--security/tomoyo/common.c8
-rw-r--r--security/tomoyo/domain.c14
-rw-r--r--security/tomoyo/file.c10
-rw-r--r--security/tomoyo/realpath.c4
4 files changed, 0 insertions, 36 deletions
diff --git a/security/tomoyo/common.c b/security/tomoyo/common.c
index ddfb9cccf468..a42fe02c6144 100644
--- a/security/tomoyo/common.c
+++ b/security/tomoyo/common.c
@@ -866,7 +866,6 @@ static struct tomoyo_profile *tomoyo_find_or_assign_new_profile(const unsigned
if (profile >= TOMOYO_MAX_PROFILES)
return NULL;
- /***** EXCLUSIVE SECTION START *****/
mutex_lock(&lock);
ptr = tomoyo_profile_ptr[profile];
if (ptr)
@@ -880,7 +879,6 @@ static struct tomoyo_profile *tomoyo_find_or_assign_new_profile(const unsigned
tomoyo_profile_ptr[profile] = ptr;
ok:
mutex_unlock(&lock);
- /***** EXCLUSIVE SECTION END *****/
return ptr;
}
@@ -1050,7 +1048,6 @@ static int tomoyo_update_manager_entry(const char *manager,
saved_manager = tomoyo_save_name(manager);
if (!saved_manager)
return -ENOMEM;
- /***** EXCLUSIVE SECTION START *****/
down_write(&tomoyo_policy_manager_list_lock);
list_for_each_entry(ptr, &tomoyo_policy_manager_list, list) {
if (ptr->manager != saved_manager)
@@ -1072,7 +1069,6 @@ static int tomoyo_update_manager_entry(const char *manager,
error = 0;
out:
up_write(&tomoyo_policy_manager_list_lock);
- /***** EXCLUSIVE SECTION END *****/
return error;
}
@@ -1197,13 +1193,11 @@ static bool tomoyo_is_select_one(struct tomoyo_io_buffer *head,
if (sscanf(data, "pid=%u", &pid) == 1) {
struct task_struct *p;
- /***** CRITICAL SECTION START *****/
read_lock(&tasklist_lock);
p = find_task_by_vpid(pid);
if (p)
domain = tomoyo_real_domain(p);
read_unlock(&tasklist_lock);
- /***** CRITICAL SECTION END *****/
} else if (!strncmp(data, "domain=", 7)) {
if (tomoyo_is_domain_def(data + 7)) {
down_read(&tomoyo_domain_list_lock);
@@ -1594,13 +1588,11 @@ static int tomoyo_read_pid(struct tomoyo_io_buffer *head)
const int pid = head->read_step;
struct task_struct *p;
struct tomoyo_domain_info *domain = NULL;
- /***** CRITICAL SECTION START *****/
read_lock(&tasklist_lock);
p = find_task_by_vpid(pid);
if (p)
domain = tomoyo_real_domain(p);
read_unlock(&tasklist_lock);
- /***** CRITICAL SECTION END *****/
if (domain)
tomoyo_io_printf(head, "%d %u %s", pid, domain->profile,
domain->domainname->name);
diff --git a/security/tomoyo/domain.c b/security/tomoyo/domain.c
index ee43631f049b..aa119ca5a782 100644
--- a/security/tomoyo/domain.c
+++ b/security/tomoyo/domain.c
@@ -67,14 +67,12 @@ void tomoyo_set_domain_flag(struct tomoyo_domain_info *domain,
{
/* We need to serialize because this is bitfield operation. */
static DEFINE_SPINLOCK(lock);
- /***** CRITICAL SECTION START *****/
spin_lock(&lock);
if (!is_delete)
domain->flags |= flags;
else
domain->flags &= ~flags;
spin_unlock(&lock);
- /***** CRITICAL SECTION END *****/
}
/**
@@ -135,7 +133,6 @@ static int tomoyo_update_domain_initializer_entry(const char *domainname,
saved_program = tomoyo_save_name(program);
if (!saved_program)
return -ENOMEM;
- /***** EXCLUSIVE SECTION START *****/
down_write(&tomoyo_domain_initializer_list_lock);
list_for_each_entry(ptr, &tomoyo_domain_initializer_list, list) {
if (ptr->is_not != is_not ||
@@ -161,7 +158,6 @@ static int tomoyo_update_domain_initializer_entry(const char *domainname,
error = 0;
out:
up_write(&tomoyo_domain_initializer_list_lock);
- /***** EXCLUSIVE SECTION END *****/
return error;
}
@@ -314,7 +310,6 @@ static int tomoyo_update_domain_keeper_entry(const char *domainname,
saved_domainname = tomoyo_save_name(domainname);
if (!saved_domainname)
return -ENOMEM;
- /***** EXCLUSIVE SECTION START *****/
down_write(&tomoyo_domain_keeper_list_lock);
list_for_each_entry(ptr, &tomoyo_domain_keeper_list, list) {
if (ptr->is_not != is_not ||
@@ -340,7 +335,6 @@ static int tomoyo_update_domain_keeper_entry(const char *domainname,
error = 0;
out:
up_write(&tomoyo_domain_keeper_list_lock);
- /***** EXCLUSIVE SECTION END *****/
return error;
}
@@ -475,7 +469,6 @@ static int tomoyo_update_alias_entry(const char *original_name,
saved_aliased_name = tomoyo_save_name(aliased_name);
if (!saved_original_name || !saved_aliased_name)
return -ENOMEM;
- /***** EXCLUSIVE SECTION START *****/
down_write(&tomoyo_alias_list_lock);
list_for_each_entry(ptr, &tomoyo_alias_list, list) {
if (ptr->original_name != saved_original_name ||
@@ -498,7 +491,6 @@ static int tomoyo_update_alias_entry(const char *original_name,
error = 0;
out:
up_write(&tomoyo_alias_list_lock);
- /***** EXCLUSIVE SECTION END *****/
return error;
}
@@ -566,7 +558,6 @@ int tomoyo_delete_domain(char *domainname)
name.name = domainname;
tomoyo_fill_path_info(&name);
- /***** EXCLUSIVE SECTION START *****/
down_write(&tomoyo_domain_list_lock);
/* Is there an active domain? */
list_for_each_entry(domain, &tomoyo_domain_list, list) {
@@ -580,7 +571,6 @@ int tomoyo_delete_domain(char *domainname)
break;
}
up_write(&tomoyo_domain_list_lock);
- /***** EXCLUSIVE SECTION END *****/
return 0;
}
@@ -599,7 +589,6 @@ struct tomoyo_domain_info *tomoyo_find_or_assign_new_domain(const char *
struct tomoyo_domain_info *domain = NULL;
const struct tomoyo_path_info *saved_domainname;
- /***** EXCLUSIVE SECTION START *****/
down_write(&tomoyo_domain_list_lock);
domain = tomoyo_find_domain(domainname);
if (domain)
@@ -618,7 +607,6 @@ struct tomoyo_domain_info *tomoyo_find_or_assign_new_domain(const char *
domain->domainname != saved_domainname)
continue;
flag = false;
- /***** CRITICAL SECTION START *****/
read_lock(&tasklist_lock);
for_each_process(p) {
if (tomoyo_real_domain(p) != domain)
@@ -627,7 +615,6 @@ struct tomoyo_domain_info *tomoyo_find_or_assign_new_domain(const char *
break;
}
read_unlock(&tasklist_lock);
- /***** CRITICAL SECTION END *****/
if (flag)
continue;
list_for_each_entry(ptr, &domain->acl_info_list, list) {
@@ -650,7 +637,6 @@ struct tomoyo_domain_info *tomoyo_find_or_assign_new_domain(const char *
}
out:
up_write(&tomoyo_domain_list_lock);
- /***** EXCLUSIVE SECTION END *****/
return domain;
}
diff --git a/security/tomoyo/file.c b/security/tomoyo/file.c
index 2316da8ec5bc..adf786d7421d 100644
--- a/security/tomoyo/file.c
+++ b/security/tomoyo/file.c
@@ -166,7 +166,6 @@ static int tomoyo_update_globally_readable_entry(const char *filename,
saved_filename = tomoyo_save_name(filename);
if (!saved_filename)
return -ENOMEM;
- /***** EXCLUSIVE SECTION START *****/
down_write(&tomoyo_globally_readable_list_lock);
list_for_each_entry(ptr, &tomoyo_globally_readable_list, list) {
if (ptr->filename != saved_filename)
@@ -187,7 +186,6 @@ static int tomoyo_update_globally_readable_entry(const char *filename,
error = 0;
out:
up_write(&tomoyo_globally_readable_list_lock);
- /***** EXCLUSIVE SECTION END *****/
return error;
}
@@ -284,7 +282,6 @@ static int tomoyo_update_file_pattern_entry(const char *pattern,
saved_pattern = tomoyo_save_name(pattern);
if (!saved_pattern)
return -ENOMEM;
- /***** EXCLUSIVE SECTION START *****/
down_write(&tomoyo_pattern_list_lock);
list_for_each_entry(ptr, &tomoyo_pattern_list, list) {
if (saved_pattern != ptr->pattern)
@@ -305,7 +302,6 @@ static int tomoyo_update_file_pattern_entry(const char *pattern,
error = 0;
out:
up_write(&tomoyo_pattern_list_lock);
- /***** EXCLUSIVE SECTION END *****/
return error;
}
@@ -407,7 +403,6 @@ static int tomoyo_update_no_rewrite_entry(const char *pattern,
saved_pattern = tomoyo_save_name(pattern);
if (!saved_pattern)
return -ENOMEM;
- /***** EXCLUSIVE SECTION START *****/
down_write(&tomoyo_no_rewrite_list_lock);
list_for_each_entry(ptr, &tomoyo_no_rewrite_list, list) {
if (ptr->pattern != saved_pattern)
@@ -428,7 +423,6 @@ static int tomoyo_update_no_rewrite_entry(const char *pattern,
error = 0;
out:
up_write(&tomoyo_no_rewrite_list_lock);
- /***** EXCLUSIVE SECTION END *****/
return error;
}
@@ -745,7 +739,6 @@ static int tomoyo_update_single_path_acl(const u8 type, const char *filename,
saved_filename = tomoyo_save_name(filename);
if (!saved_filename)
return -ENOMEM;
- /***** EXCLUSIVE SECTION START *****/
down_write(&tomoyo_domain_acl_info_list_lock);
if (is_delete)
goto delete;
@@ -800,7 +793,6 @@ static int tomoyo_update_single_path_acl(const u8 type, const char *filename,
}
out:
up_write(&tomoyo_domain_acl_info_list_lock);
- /***** EXCLUSIVE SECTION END *****/
return error;
}
@@ -836,7 +828,6 @@ static int tomoyo_update_double_path_acl(const u8 type, const char *filename1,
saved_filename2 = tomoyo_save_name(filename2);
if (!saved_filename1 || !saved_filename2)
return -ENOMEM;
- /***** EXCLUSIVE SECTION START *****/
down_write(&tomoyo_domain_acl_info_list_lock);
if (is_delete)
goto delete;
@@ -884,7 +875,6 @@ static int tomoyo_update_double_path_acl(const u8 type, const char *filename1,
}
out:
up_write(&tomoyo_domain_acl_info_list_lock);
- /***** EXCLUSIVE SECTION END *****/
return error;
}
diff --git a/security/tomoyo/realpath.c b/security/tomoyo/realpath.c
index 40927a84cb6e..3948f6b56ae2 100644
--- a/security/tomoyo/realpath.c
+++ b/security/tomoyo/realpath.c
@@ -220,7 +220,6 @@ void *tomoyo_alloc_element(const unsigned int size)
= roundup(size, max(sizeof(void *), sizeof(long)));
if (word_aligned_size > PATH_MAX)
return NULL;
- /***** EXCLUSIVE SECTION START *****/
mutex_lock(&lock);
if (buf_used_len + word_aligned_size > PATH_MAX) {
if (!tomoyo_quota_for_elements ||
@@ -251,7 +250,6 @@ void *tomoyo_alloc_element(const unsigned int size)
}
}
mutex_unlock(&lock);
- /***** EXCLUSIVE SECTION END *****/
return ptr;
}
@@ -318,7 +316,6 @@ const struct tomoyo_path_info *tomoyo_save_name(const char *name)
return NULL;
}
hash = full_name_hash((const unsigned char *) name, len - 1);
- /***** EXCLUSIVE SECTION START *****/
mutex_lock(&lock);
list_for_each_entry(ptr, &tomoyo_name_list[hash % TOMOYO_MAX_HASH],
list) {
@@ -366,7 +363,6 @@ const struct tomoyo_path_info *tomoyo_save_name(const char *name)
}
out:
mutex_unlock(&lock);
- /***** EXCLUSIVE SECTION END *****/
return ptr ? &ptr->entry : NULL;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-15 15:52:59 +0000