From 4dd820c088d201e526840c9dbc2f0b87a0a41868 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Sjur=20Br=C3=A6ndeland?= Date: Mon, 11 Apr 2011 10:43:51 +0000 Subject: caif: Don't resend if dev_queue_xmit fails. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit If CAIF Link Layer returns an error, we no longer try to re-build the CAIF packet and resend it. Instead, we simply return any transmission errors to the socket client. Signed-off-by: Sjur Brændeland Signed-off-by: David S. Miller --- net/caif/caif_dev.c | 21 ++++----------------- 1 file changed, 4 insertions(+), 17 deletions(-) (limited to 'net/caif/caif_dev.c') diff --git a/net/caif/caif_dev.c b/net/caif/caif_dev.c index b533bb0..a518fdd 100644 --- a/net/caif/caif_dev.c +++ b/net/caif/caif_dev.c @@ -120,25 +120,12 @@ static int transmit(struct cflayer *layer, struct cfpkt *pkt) { struct caif_device_entry *caifd = container_of(layer, struct caif_device_entry, layer); - struct sk_buff *skb, *skb2; - int ret = -EINVAL; + struct sk_buff *skb; + skb = cfpkt_tonative(pkt); skb->dev = caifd->netdev; - /* - * Don't allow SKB to be destroyed upon error, but signal resend - * notification to clients. We can't rely on the return value as - * congestion (NET_XMIT_CN) sometimes drops the packet, sometimes don't. - */ - if (netif_queue_stopped(caifd->netdev)) - return -EAGAIN; - skb2 = skb_get(skb); - - ret = dev_queue_xmit(skb2); - - if (!ret) - kfree_skb(skb); - else - return -EAGAIN; + + dev_queue_xmit(skb); return 0; } -- cgit v1.1