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-rw-r--r--security/smack/smack_lsm.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
index 93dc876734a4..2717cdd7872c 100644
--- a/security/smack/smack_lsm.c
+++ b/security/smack/smack_lsm.c
@@ -53,6 +53,7 @@
#define SMK_SENDING 2
LIST_HEAD(smk_ipv6_port_list);
+static struct kmem_cache *smack_inode_cache;
#ifdef CONFIG_SECURITY_SMACK_BRINGUP
static void smk_bu_mode(int mode, char *s)
@@ -240,7 +241,7 @@ struct inode_smack *new_inode_smack(struct smack_known *skp)
{
struct inode_smack *isp;
- isp = kzalloc(sizeof(struct inode_smack), GFP_NOFS);
+ isp = kmem_cache_zalloc(smack_inode_cache, GFP_NOFS);
if (isp == NULL)
return NULL;
@@ -767,7 +768,7 @@ static int smack_inode_alloc_security(struct inode *inode)
*/
static void smack_inode_free_security(struct inode *inode)
{
- kfree(inode->i_security);
+ kmem_cache_free(smack_inode_cache, inode->i_security);
inode->i_security = NULL;
}
@@ -4265,10 +4266,16 @@ static __init int smack_init(void)
if (!security_module_enable(&smack_ops))
return 0;
+ smack_inode_cache = KMEM_CACHE(inode_smack, 0);
+ if (!smack_inode_cache)
+ return -ENOMEM;
+
tsp = new_task_smack(&smack_known_floor, &smack_known_floor,
GFP_KERNEL);
- if (tsp == NULL)
+ if (tsp == NULL) {
+ kmem_cache_destroy(smack_inode_cache);
return -ENOMEM;
+ }
printk(KERN_INFO "Smack: Initializing.\n");