Re: [PATCH] 3c589_cs: don't reference skb after passing it to netif_rx

[Jeff Garzik]

Arnaldo Carvalho de Melo wrote:
> --- linux-2.4.2/drivers/net/pcmcia/3c589_cs.c   Tue Feb 13 19:15:05 2001
> +++ linux-2.4.2.acme/drivers/net/pcmcia/3c589_cs.c      Mon Feb 26 22:44:00 2001
> @@ -992,9 +992,9 @@
>                         (pkt_len+3)>>2);
>                 skb->protocol = eth_type_trans(skb, dev);
> 
> +               lp->stats.rx_bytes += skb->len;
>                 netif_rx(skb);
>                 lp->stats.rx_packets++;
> -               lp->stats.rx_bytes += skb->len;

I prefer the attached patch instead.  It makes use of the existing local
'pkt_len', and it checks off another item that should probably be on the
janitor's todo list:  Set 'dev->last_rx=jiffies' immediately after
netif_rx.

        Jeff



-- 
Jeff Garzik       | "You see, in this world there's two kinds of
Building 1024     |  people, my friend: Those with loaded guns
MandrakeSoft      |  and those who dig. You dig."  --Blondie
Index: drivers/net/pcmcia/3c589_cs.c
===================================================================
RCS file: /cvsroot/gkernel/linux_2_4/drivers/net/pcmcia/3c589_cs.c,v
retrieving revision 1.1.1.10.18.1
diff -u -r1.1.1.10.18.1 3c589_cs.c
--- drivers/net/pcmcia/3c589_cs.c       2001/02/25 15:20:31     1.1.1.10.18.1
+++ drivers/net/pcmcia/3c589_cs.c       2001/02/27 01:54:28
@@ -993,8 +993,9 @@
                skb->protocol = eth_type_trans(skb, dev);
                
                netif_rx(skb);
+               dev->last_rx = jiffies;
                lp->stats.rx_packets++;
-               lp->stats.rx_bytes += skb->len;
+               lp->stats.rx_bytes += pkt_len;
            } else {
                DEBUG(1, "%s: couldn't allocate a sk_buff of"
                      " size %d.\n", dev->name, pkt_len);