net: remove some unless free on failure in alloc_netdev_mqs()

When we jump to free_pcpu on failure in alloc_netdev_mqs()
rx and tx queues are not yet allocated, so no need to free them.

Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/core/dev.c b/net/core/dev.c
index 0355ca5..1ba2cfe 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -6503,11 +6503,6 @@
 
 free_pcpu:
 	free_percpu(dev->pcpu_refcnt);
-	netif_free_tx_queues(dev);
-#ifdef CONFIG_SYSFS
-	kfree(dev->_rx);
-#endif
-
 free_dev:
 	netdev_freemem(dev);
 	return NULL;