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>

diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
index 2a8ad6d4b5406d19814c66e83df9f7330b90ae1e..f6177baf20b7cdddb112bf5541a94f7845a1fc1a 100644 (file)
--- 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;