1 files changed, 7 insertions, 9 deletions

diff --git a/security/integrity/iint.c b/security/integrity/iint.c
index c91a436e13a..d82a5a13d85 100644
--- a/security/integrity/iint.c
+++ b/security/integrity/iint.c
@@ -22,7 +22,7 @@
 #include "integrity.h"
 
 static struct rb_root integrity_iint_tree = RB_ROOT;
-static DEFINE_SPINLOCK(integrity_iint_lock);
+static DEFINE_RWLOCK(integrity_iint_lock);
 static struct kmem_cache *iint_cache __read_mostly;
 
 int iint_initialized;
@@ -35,8 +35,6 @@ static struct integrity_iint_cache *__integrity_iint_find(struct inode *inode)
         struct integrity_iint_cache *iint;
         struct rb_node *n = integrity_iint_tree.rb_node;
 
-        assert_spin_locked(&integrity_iint_lock);
-
         while (n) {
                 iint = rb_entry(n, struct integrity_iint_cache, rb_node);
 
@@ -63,9 +61,9 @@ struct integrity_iint_cache *integrity_iint_find(struct inode *inode)
         if (!IS_IMA(inode))
                 return NULL;
 
-        spin_lock(&integrity_iint_lock);
+        read_lock(&integrity_iint_lock);
         iint = __integrity_iint_find(inode);
-        spin_unlock(&integrity_iint_lock);
+        read_unlock(&integrity_iint_lock);
 
         return iint;
 }
@@ -100,7 +98,7 @@ struct integrity_iint_cache *integrity_inode_get(struct inode *inode)
         if (!iint)
                 return NULL;
 
-        spin_lock(&integrity_iint_lock);
+        write_lock(&integrity_iint_lock);
 
         p = &integrity_iint_tree.rb_node;
         while (*p) {
@@ -119,7 +117,7 @@ struct integrity_iint_cache *integrity_inode_get(struct inode *inode)
         rb_link_node(node, parent, p);
         rb_insert_color(node, &integrity_iint_tree);
 
-        spin_unlock(&integrity_iint_lock);
+        write_unlock(&integrity_iint_lock);
         return iint;
 }
 
@@ -136,10 +134,10 @@ void integrity_inode_free(struct inode *inode)
         if (!IS_IMA(inode))
                 return;
 
-        spin_lock(&integrity_iint_lock);
+        write_lock(&integrity_iint_lock);
         iint = __integrity_iint_find(inode);
         rb_erase(&iint->rb_node, &integrity_iint_tree);
-        spin_unlock(&integrity_iint_lock);
+        write_unlock(&integrity_iint_lock);
 
         iint_free(iint);
 }