[PATCH 4/7] : ixgbe Fix possible causing oops of net_rx_action
From: Joonwoo Park <hidden>
Date: 2007-12-12 04:02:36
Also in:
lkml
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
[NETDEV]: ixgbe Fix possible causing oops of net_rx_action Signed-off-by: Joonwoo Park <redacted> --- drivers/net/ixgbe/ixgbe_main.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index 00bc525..0b3ae8f 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c@@ -583,6 +583,8 @@ quit_polling: if (!test_bit(__IXGBE_DOWN, &adapter->state)) IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMS, rxr->eims_value); + if (unlikely(work_done == napi->weight)) + return work_done - 1; } return work_done;
@@ -1485,6 +1487,8 @@ static int ixgbe_clean(struct napi_struct *napi, int budget) quit_polling: netif_rx_complete(netdev, napi); ixgbe_irq_enable(adapter); + if (unlikely(work_done == napi->weight)) + return work_done - 1; } return work_done; ---