SELinux: pass a superblock to security_fs_use

[~andy/linux] / security / selinux / ss / services.c

diff --git a/security/selinux/ss/services.c b/security/selinux/ss/services.c
index b4feecc3fe0110d10bbdc183c369a03ab8495a6c..a907217716150dd1c86b090bd0e72a5e17121e59 100644 (file)
--- a/security/selinux/ss/services.c
+++ b/security/selinux/ss/services.c
@@ -2323,17 +2323,14 @@ out:
 
 /**
  * security_fs_use - Determine how to handle labeling for a filesystem.
- * @fstype: filesystem type
- * @behavior: labeling behavior
- * @sid: SID for filesystem (superblock)
+ * @sb: superblock in question
  */
-int security_fs_use(
-       const char *fstype,
-       unsigned int *behavior,
-       u32 *sid)
+int security_fs_use(struct super_block *sb)
 {
        int rc = 0;
        struct ocontext *c;
+       struct superblock_security_struct *sbsec = sb->s_security;
+       const char *fstype = sb->s_type->name;
 
        read_lock(&policy_rwlock);
 
@@ -2345,21 +2342,21 @@ int security_fs_use(
        }
 
        if (c) {
-               *behavior = c->v.behavior;
+               sbsec->behavior = c->v.behavior;
                if (!c->sid[0]) {
                        rc = sidtab_context_to_sid(&sidtab, &c->context[0],
                                                   &c->sid[0]);
                        if (rc)
                                goto out;
                }
-               *sid = c->sid[0];
+               sbsec->sid = c->sid[0];
        } else {
-               rc = security_genfs_sid(fstype, "/", SECCLASS_DIR, sid);
+               rc = security_genfs_sid(fstype, "/", SECCLASS_DIR, &sbsec->sid);
                if (rc) {
-                       *behavior = SECURITY_FS_USE_NONE;
+                       sbsec->behavior = SECURITY_FS_USE_NONE;
                        rc = 0;
                } else {
-                       *behavior = SECURITY_FS_USE_GENFS;
+                       sbsec->behavior = SECURITY_FS_USE_GENFS;
                }
        }