diff options
| author | Eric W. Biederman <ebiederm@xmission.com> | 2014-03-14 17:57:59 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-03-14 22:52:47 -0400 |
| commit | b3529744b412e9870c9e10fef874e3bee2af1afa (patch) | |
| tree | ecf175ae5a09065e6f12dd87e2d78616b6fc4ef9 /drivers/net | |
| parent | 1c79a5a8f4faec88f9f4632d0ef9b0365bff8e28 (diff) | |
bnx2x: Don't receive packets when the napi budget == 0
Processing any incoming packets with a with a napi budget of 0
is incorrect driver behavior.
This matters as netpoll will shortly call drivers with a budget of 0
to avoid receive packet processing happening in hard irq context.
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c index 117b5c7f8ac9..acd494647f25 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c @@ -872,6 +872,8 @@ static int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget) if (unlikely(bp->panic)) return 0; #endif + if (budget <= 0) + return rx_pkt; bd_cons = fp->rx_bd_cons; bd_prod = fp->rx_bd_prod; |