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-rw-r--r--net/core/dev.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index 5f736f1ceeae..b715a55cccc4 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1088,6 +1088,11 @@ int dev_open(struct net_device *dev)
dev->flags |= IFF_UP;
/*
+ * Enable NET_DMA
+ */
+ dmaengine_get();
+
+ /*
* Initialize multicasting status
*/
dev_set_rx_mode(dev);
@@ -1164,6 +1169,11 @@ int dev_close(struct net_device *dev)
*/
call_netdevice_notifiers(NETDEV_DOWN, dev);
+ /*
+ * Shutdown NET_DMA
+ */
+ dmaengine_put();
+
return 0;
}
@@ -5151,9 +5161,6 @@ static int __init net_dev_init(void)
hotcpu_notifier(dev_cpu_callback, 0);
dst_init();
dev_mcast_init();
- #ifdef CONFIG_NET_DMA
- dmaengine_get();
- #endif
rc = 0;
out:
return rc;