From 1a43860506f293498b989822fb16444c602d0000 Mon Sep 17 00:00:00 2001 From: Uwe Kleine-König Date: Thu, 15 Sep 2016 12:38:17 +0200 Subject: net: mvneta: clean txdesc before usage MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This fixes tx error detection which triggered way too often because the hardware doesn't seem to clear the error bits on success Signed-off-by: Uwe Kleine-König Signed-off-by: Sascha Hauer --- drivers/net/mvneta.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/net') diff --git a/drivers/net/mvneta.c b/drivers/net/mvneta.c index 1690f3b576..5c163cebc7 100644 --- a/drivers/net/mvneta.c +++ b/drivers/net/mvneta.c @@ -395,6 +395,7 @@ static int mvneta_send(struct eth_device *edev, void *data, int len) /* Flush transmit data */ dma_sync_single_for_device((unsigned long)data, len, DMA_TO_DEVICE); + memset(txdesc, 0, sizeof(*txdesc)); /* Fill the Tx descriptor */ txdesc->cmd_sts = MVNETA_TX_L4_CSUM_NOT | MVNETA_TXD_FLZ_DESC; txdesc->buf_ptr = (u32)data; -- cgit v1.2.3