new helper: ihold()

Clones an existing reference to inode; caller must already hold one.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 1 insertions, 1 deletions

diff --git a/ipc/mqueue.c b/ipc/mqueue.c
index e1e7b9635f5d..80b35ffca25d 100644
--- a/ipc/mqueue.c
+++ b/ipc/mqueue.c
@@ -769,7 +769,7 @@ SYSCALL_DEFINE1(mq_unlink, const char __user *, u_name)
 
         inode = dentry->d_inode;
         if (inode)
-                atomic_inc(&inode->i_count);
+                ihold(inode);
         err = mnt_want_write(ipc_ns->mq_mnt);
         if (err)
                 goto out_err;