[PATCH-2.2.19] bug in cs89x0

From: Kapr Johnik (kapr.johnik@seznam.cz)
Date: Tue Sep 25 2001 - 03:11:42 EST


Hi to all.

I think I've found bug in the cs89x0 network driver in 2.2.19, which we
are using in an embedded network router. The driver does not use
skb_put(), instead it writes directly to skb->len and leaves skb->tail
incorrect. Patch follows.

diff -u -r linux-2.2.19/drivers/net/cs89x0.c linux/drivers/net/cs89x0.c
--- linux-2.2.19/drivers/net/cs89x0.c Sun Mar 25 18:37:34 2001
+++ linux/drivers/net/cs89x0.c Tue Sep 25 09:39:35 2001
@@ -904,7 +904,7 @@
                 lp->stats.rx_dropped++;
                 return;
         }
- skb->len = length;
+ skb_put(skb, length);
         skb->dev = dev;
 
         insw(ioaddr + RX_FRAME_PORT, skb->data, length >> 1);

-
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