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sky2: Don't receive packets when the napi budget == 0

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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 18:05:26 -07:00 committed by David S. Miller
parent cb013ea12c
commit 21ceda26d7
1 changed files with 3 additions and 0 deletions
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3
drivers/net/ethernet/marvell/sky2.c
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@ -2735,6 +2735,9 @@ static int sky2_status_intr(struct sky2_hw *hw, int to_do, u16 idx)
unsigned int total_bytes[2] = { 0 };
unsigned int total_packets[2] = { 0 };
if (to_do <= 0)
return work_done;
rmb();
do {
struct sky2_port *sky2;