1 files changed, 3 insertions, 1 deletions

diff --git a/kernel/futex.c b/kernel/futex.c
index e7a35f1039e7..a6cec3270c78 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -168,7 +168,9 @@ static void get_futex_key_refs(union futex_key *key)
 
         switch (key->both.offset & (FUT_OFF_INODE|FUT_OFF_MMSHARED)) {
         case FUT_OFF_INODE:
-                atomic_inc(&key->shared.inode->i_count);
+                spin_lock(&key->shared.inode->i_lock);
+                key->shared.inode->i_count++;
+                spin_unlock(&key->shared.inode->i_lock);
                 break;
         case FUT_OFF_MMSHARED:
                 atomic_inc(&key->private.mm->mm_count);