From af902ae4432ba8650a5f16a2cca58507a5f566bd Mon Sep 17 00:00:00 2001
From: Ariel Elior <ariele@broadcom.com>
Date: Thu, 20 Jun 2013 17:39:09 +0300
Subject: [PATCH] bnx2x: VF ndo sanity

If iproute2 VF callbacks are invoked before PF is loaded,
abort gracefully.

Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
index 2a8ad6d4b540..f6177baf20b7 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
@@ -3083,6 +3083,11 @@ void bnx2x_disable_sriov(struct bnx2x *bp)
 static int bnx2x_vf_ndo_sanity(struct bnx2x *bp, int vfidx,
 			       struct bnx2x_virtf *vf)
 {
+	if (bp->state != BNX2X_STATE_OPEN) {
+		BNX2X_ERR("vf ndo called though PF is down\n");
+		return -EINVAL;
+	}
+
 	if (!IS_SRIOV(bp)) {
 		BNX2X_ERR("vf ndo called though sriov is disabled\n");
 		return -EINVAL;