netdev - [PATCH net-next 2/4] bnx2x: VF ndo sanity

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Date:	Thu, 20 Jun 2013 17:39:09 +0300
From:	"Yuval Mintz" <yuvalmin@...adcom.com>
To:	davem@...emloft.net, netdev@...r.kernel.org
cc:	eilong@...adcom.com, ariele@...adcom.com,
	"Yuval Mintz" <yuvalmin@...adcom.com>
Subject: [PATCH net-next 2/4] bnx2x: VF ndo sanity

From: Ariel Elior <ariele@...adcom.com>

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

Signed-off-by: Ariel Elior <ariele@...adcom.com>
Signed-off-by: Yuval Mintz <yuvalmin@...adcom.com>
Signed-off-by: Eilon Greenstein <eilong@...adcom.com>
---
 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 2a8ad6d..f6177ba 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;
-- 
1.8.1.227.g44fe835


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