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[net-next,#2,1/6] via-rhine: commit receive buffer address before descriptor status update.

Message ID f2448365b2a8e43d3f708a7a23aa024fa55fb8db.1428445141.git.romieu@fr.zoreil.com
State Changes Requested, archived
Delegated to: David Miller
Headers show

Commit Message

Francois Romieu April 7, 2015, 10:40 p.m. UTC 
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
---
 drivers/net/ethernet/via/via-rhine.c | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/drivers/net/ethernet/via/via-rhine.c b/drivers/net/ethernet/via/via-rhine.c
index de28504..88b45c7 100644
--- a/drivers/net/ethernet/via/via-rhine.c
+++ b/drivers/net/ethernet/via/via-rhine.c
@@ -2075,6 +2075,7 @@  static int rhine_rx(struct net_device *dev, int limit)
 				break;
 			}
 			rp->rx_ring[entry].addr = cpu_to_le32(rp->rx_skbuff_dma[entry]);
+			dma_wmb();
 		}
 		rp->rx_ring[entry].rx_status = cpu_to_le32(DescOwn);
 	}