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authorMike McCormack <mikem@ring3k.org>2009-07-31 01:57:42 +0000
committerDavid S. Miller <davem@davemloft.net>2009-08-03 19:02:36 -0700
commitf6caa14aa0b126d4a2933907d1519611b2a8524a (patch)
tree27f01a9597e56f0489746ad5fc9fc8b01e4f5368 /include
parent202ff1ec8e53d5dd36e1a5bd4b0a7ed7dbd45087 (diff)
sky2: Avoid transmits during sky2_down()
This patch supersedes my previous patch "sky2: Avoid transmitting during sky2_restart". I have reworked the patch to avoid crashes during both sky2_restart() and sky2_set_ringparam(). Without this patch, the sky2 driver can be crashed by doing: # pktgen eth1 & (transmit many packets on eth1) # ethtool -G eth1 tx 510 I am aware you object to storing extra state, but I can't see a way around this. Without remembering that we're restarting, netif_wake_queue() is called in the ISR from sky2_tx_complete(), and netif_tx_lock() is used in sky2_tx_done(). If anybody can see a way around this, please let me know. Signed-off-by: Mike McCormack <mikem@ring3k.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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