[ARCNET]: Fix return value from arcnet_send_packet().

From: Pieter Dejaeghere <pieter@dejaeghere.net>

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 17 insertions, 8 deletions

diff --git a/drivers/net/arcnet/arcnet.c b/drivers/net/arcnet/arcnet.c
index 4f9f69e22c1b..12ef52c193a3 100644
--- a/drivers/net/arcnet/arcnet.c
+++ b/drivers/net/arcnet/arcnet.c
@@ -597,7 +597,7 @@ static int arcnet_send_packet(struct sk_buff *skb, struct net_device *dev)
         struct ArcProto *proto;
         int txbuf;
         unsigned long flags;
-        int freeskb = 0;
+        int freeskb, retval;
 
         BUGMSG(D_DURING,
                "transmit requested (status=%Xh, txbufs=%d/%d, len=%d, protocol %x)\n",
@@ -615,7 +615,7 @@ static int arcnet_send_packet(struct sk_buff *skb, struct net_device *dev)
         if (skb->len - ARC_HDR_SIZE > XMTU && !proto->continue_tx) {
                 BUGMSG(D_NORMAL, "fixme: packet too large: compensating badly!\n");
                 dev_kfree_skb(skb);
-                return 0;       /* don't try again */
+                return NETDEV_TX_OK;    /* don't try again */
         }
 
         /* We're busy transmitting a packet... */
@@ -623,8 +623,11 @@ static int arcnet_send_packet(struct sk_buff *skb, struct net_device *dev)
 
         spin_lock_irqsave(&lp->lock, flags);
         AINTMASK(0);
-
-        txbuf = get_arcbuf(dev);
+        if(lp->next_tx == -1)
+                txbuf = get_arcbuf(dev);
+        else {
+                txbuf = -1;
+        }
         if (txbuf != -1) {
                 if (proto->prepare_tx(dev, pkt, skb->len, txbuf) &&
                     !proto->ack_tx) {
@@ -638,6 +641,8 @@ static int arcnet_send_packet(struct sk_buff *skb, struct net_device *dev)
                         lp->outgoing.skb = skb;
                         lp->outgoing.pkt = pkt;
 
+                        freeskb = 0;
+
                         if (proto->continue_tx &&
                             proto->continue_tx(dev, txbuf)) {
                           BUGMSG(D_NORMAL,
@@ -645,10 +650,12 @@ static int arcnet_send_packet(struct sk_buff *skb, struct net_device *dev)
                                  "(proto='%c')\n", proto->suffix);
                         }
                 }
-
+                retval = NETDEV_TX_OK;
+                dev->trans_start = jiffies;
                 lp->next_tx = txbuf;
         } else {
-                freeskb = 1;
+                retval = NETDEV_TX_BUSY;
+                freeskb = 0;
         }
 
         BUGMSG(D_DEBUG, "%s: %d: %s, status: %x\n",__FILE__,__LINE__,__FUNCTION__,ASTATUS());
@@ -664,7 +671,7 @@ static int arcnet_send_packet(struct sk_buff *skb, struct net_device *dev)
         if (freeskb) {
                 dev_kfree_skb(skb);
         }
-        return 0;               /* no need to try again */
+        return retval;          /* no need to try again */
 }
 
 
@@ -690,7 +697,6 @@ static int go_tx(struct net_device *dev)
         /* start sending */
         ACOMMAND(TXcmd | (lp->cur_tx << 3));
 
-        dev->trans_start = jiffies;
         lp->stats.tx_packets++;
         lp->lasttrans_dest = lp->lastload_dest;
         lp->lastload_dest = 0;
@@ -917,6 +923,9 @@ irqreturn_t arcnet_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 
                         BUGMSG(D_RECON, "Network reconfiguration detected (status=%Xh)\n",
                                status);
+                        /* MYRECON bit is at bit 7 of diagstatus */
+                        if(diagstatus & 0x80)
+                                BUGMSG(D_RECON,"Put out that recon myself\n");
 
                         /* is the RECON info empty or old? */
                         if (!lp->first_recon || !lp->last_recon ||