From: Eric W. Biederman Date: Sat, 15 Mar 2014 00:57:59 +0000 (-0700) Subject: bnx2x: Don't receive packets when the napi budget == 0 X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=b3529744b412e9870c9e10fef874e3bee2af1afa;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git 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" Signed-off-by: David S. Miller --- 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;