If the ethernet interface is brought down while there is still
RX traffic in flight, the device shutdown routine can end up
trying to double-free an skb, leading to a crash in mm/slab.c
Avoid the double-free by nulling out the skb pointer.
Signed-off-by: Linas Vepstas <[EMAIL PROTECTED]>
----
drivers/net/spider_net.c | 1 +
1 file changed, 1 insertion(+)
Index: netdev-2.6/drivers/net/spider_net.c
===================================================================
--- netdev-2.6.orig/drivers/net/spider_net.c 2007-05-22 18:03:32.000000000
-0500
+++ netdev-2.6/drivers/net/spider_net.c 2007-05-22 18:03:34.000000000 -0500
@@ -1136,6 +1136,7 @@ spider_net_decode_one_descr(struct spide
/* Ok, we've got a packet in descr */
spider_net_pass_skb_up(descr, card);
+ descr->skb = NULL;
hwdescr->dmac_cmd_status = SPIDER_NET_DESCR_NOT_IN_USE;
return 1;
-
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