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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>
This commit is contained in:
Eric W. Biederman 2014-03-14 17:57:59 -07:00 committed by David S. Miller
parent 1c79a5a8f4
commit b3529744b4
1 changed files with 2 additions and 0 deletions
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2
drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
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@ -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;