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-rw-r--r--security/smack/smack.h24
1 files changed, 23 insertions, 1 deletions
diff --git a/security/smack/smack.h b/security/smack/smack.h
index a9768b12716b..c3cfbdf4944a 100644
--- a/security/smack/smack.h
+++ b/security/smack/smack.h
@@ -357,6 +357,12 @@ static inline struct smack_known **smack_ipc(const struct kern_ipc_perm *ipc)
return ipc->security + smack_blob_sizes.lbs_ipc;
}
+static inline struct superblock_smack *smack_superblock(
+ const struct super_block *superblock)
+{
+ return superblock->s_security + smack_blob_sizes.lbs_superblock;
+}
+
/*
* Is the directory transmuting?
*/
@@ -383,7 +389,23 @@ static inline struct smack_known *smk_of_task(const struct task_smack *tsp)
return tsp->smk_task;
}
-static inline struct smack_known *smk_of_task_struct(
+static inline struct smack_known *smk_of_task_struct_subj(
+ const struct task_struct *t)
+{
+ struct smack_known *skp;
+ const struct cred *cred;
+
+ rcu_read_lock();
+
+ cred = rcu_dereference(t->cred);
+ skp = smk_of_task(smack_cred(cred));
+
+ rcu_read_unlock();
+
+ return skp;
+}
+
+static inline struct smack_known *smk_of_task_struct_obj(
const struct task_struct *t)
{
struct smack_known *skp;