summaryrefslogtreecommitdiff
path: root/security/smack/smack_lsm.c
diff options
context:
space:
mode:
Diffstat (limited to 'security/smack/smack_lsm.c')
-rw-r--r--security/smack/smack_lsm.c32
1 files changed, 14 insertions, 18 deletions
diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
index 770eb067e165..93f5b0ce662a 100644
--- a/security/smack/smack_lsm.c
+++ b/security/smack/smack_lsm.c
@@ -189,17 +189,10 @@ static void smack_sb_free_security(struct super_block *sb)
* Copy the Smack specific mount options out of the mount
* options list.
*/
-static int smack_sb_copy_data(struct file_system_type *type, void *orig,
- void *smackopts)
+static int smack_sb_copy_data(char *orig, char *smackopts)
{
char *cp, *commap, *otheropts, *dp;
- /* Binary mount data: just copy */
- if (type->fs_flags & FS_BINARY_MOUNTDATA) {
- copy_page(smackopts, orig);
- return 0;
- }
-
otheropts = (char *)get_zeroed_page(GFP_KERNEL);
if (otheropts == NULL)
return -ENOMEM;
@@ -1124,11 +1117,6 @@ static int smack_task_movememory(struct task_struct *p)
static int smack_task_kill(struct task_struct *p, struct siginfo *info,
int sig, u32 secid)
{
- int rc;
-
- rc = cap_task_kill(p, info, sig, secid);
- if (rc != 0)
- return rc;
/*
* Special cases where signals really ought to go through
* in spite of policy. Stephen Smalley suggests it may
@@ -1287,7 +1275,7 @@ static void smack_to_secattr(char *smack, struct netlbl_lsm_secattr *nlsp)
switch (smack_net_nltype) {
case NETLBL_NLTYPE_CIPSOV4:
- nlsp->domain = kstrdup(smack, GFP_ATOMIC);
+ nlsp->domain = smack;
nlsp->flags = NETLBL_SECATTR_DOMAIN | NETLBL_SECATTR_MLS_LVL;
rc = smack_to_cipso(smack, &cipso);
@@ -1515,7 +1503,7 @@ static int smack_shm_associate(struct shmid_kernel *shp, int shmflg)
*/
static int smack_shm_shmctl(struct shmid_kernel *shp, int cmd)
{
- char *ssp = smack_of_shm(shp);
+ char *ssp;
int may;
switch (cmd) {
@@ -1539,6 +1527,7 @@ static int smack_shm_shmctl(struct shmid_kernel *shp, int cmd)
return -EINVAL;
}
+ ssp = smack_of_shm(shp);
return smk_curacc(ssp, may);
}
@@ -1623,7 +1612,7 @@ static int smack_sem_associate(struct sem_array *sma, int semflg)
*/
static int smack_sem_semctl(struct sem_array *sma, int cmd)
{
- char *ssp = smack_of_sem(sma);
+ char *ssp;
int may;
switch (cmd) {
@@ -1652,6 +1641,7 @@ static int smack_sem_semctl(struct sem_array *sma, int cmd)
return -EINVAL;
}
+ ssp = smack_of_sem(sma);
return smk_curacc(ssp, may);
}
@@ -1737,7 +1727,7 @@ static int smack_msg_queue_associate(struct msg_queue *msq, int msqflg)
*/
static int smack_msg_queue_msgctl(struct msg_queue *msq, int cmd)
{
- char *msp = smack_of_msq(msq);
+ char *msp;
int may;
switch (cmd) {
@@ -1759,6 +1749,7 @@ static int smack_msg_queue_msgctl(struct msg_queue *msq, int cmd)
return -EINVAL;
}
+ msp = smack_of_msq(msq);
return smk_curacc(msp, may);
}
@@ -2433,7 +2424,9 @@ static void smack_release_secctx(char *secdata, u32 seclen)
{
}
-static struct security_operations smack_ops = {
+struct security_operations smack_ops = {
+ .name = "smack",
+
.ptrace = smack_ptrace,
.capget = cap_capget,
.capset_check = cap_capset_check,
@@ -2566,6 +2559,9 @@ static struct security_operations smack_ops = {
*/
static __init int smack_init(void)
{
+ if (!security_module_enable(&smack_ops))
+ return 0;
+
printk(KERN_INFO "Smack: Initializing.\n");
/*