ibm emac: Don't call napi_complete if napi_reschedule failed
This patch fixes a bug which would trigger the BUG_ON() at net/core/dev.c:4156. It was found that this was due to continuing processing in the current poll call even when the call to napi_reschedule failed, indicating the device was already on the polling list. This resulted in an extra call to napi_complete which triggered the BUG_ON(). This patch ensures that we only contine processing rotting packets in the current mal_poll call if we are not already on the polling list. Signed-off-by: Alistair Popple <alistair@popple.id.au> Signed-off-by: David S. Miller <davem@davemloft.net>
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