diff --git a/ipc/mqueue.c b/ipc/mqueue.c
index c79bd57..6824651 100644
--- a/ipc/mqueue.c
+++ b/ipc/mqueue.c
@@ -686,7 +686,7 @@ SYSCALL_DEFINE4(mq_open, const char __user *, u_name, int, oflag, mode_t, mode,
 	struct file *filp;
 	char *name;
 	struct mq_attr attr;
-	int fd, error;
+	int fd, error = 0;
 	struct ipc_namespace *ipc_ns = current->nsproxy->ipc_ns;
 
 	if (u_attr && copy_from_user(&attr, u_attr, sizeof(struct mq_attr)))
@@ -701,13 +701,13 @@ SYSCALL_DEFINE4(mq_open, const char __user *, u_name, int, oflag, mode_t, mode,
 	if (fd < 0)
 		goto out_putname;
 
+	mntget(ipc_ns->mq_mnt);
 	mutex_lock(&ipc_ns->mq_mnt->mnt_root->d_inode->i_mutex);
 	dentry = lookup_one_len(name, ipc_ns->mq_mnt->mnt_root, strlen(name));
 	if (IS_ERR(dentry)) {
 		error = PTR_ERR(dentry);
-		goto out_err;
+		goto out_unlock;
 	}
-	mntget(ipc_ns->mq_mnt);
 
 	if (oflag & O_CREAT) {
 		if (dentry->d_inode) {	/* entry already exists */
@@ -731,24 +731,23 @@ SYSCALL_DEFINE4(mq_open, const char __user *, u_name, int, oflag, mode_t, mode,
 
 	if (IS_ERR(filp)) {
 		error = PTR_ERR(filp);
-		goto out_putfd;
+		goto out;
 	}
 
 	fd_install(fd, filp);
-	goto out_upsem;
+	goto out_unlock;
 
 out:
 	dput(dentry);
-	mntput(ipc_ns->mq_mnt);
-out_putfd:
-	put_unused_fd(fd);
-out_err:
-	fd = error;
-out_upsem:
+out_unlock:
 	mutex_unlock(&ipc_ns->mq_mnt->mnt_root->d_inode->i_mutex);
+	if (error) {
+		mntput(ipc_ns->mq_mnt);
+		put_unused_fd(fd);
+	}
 out_putname:
 	putname(name);
-	return fd;
+	return error;
 }
 
 SYSCALL_DEFINE1(mq_unlink, const char __user *, u_name)