bnx2x: Prevent null pointer dereference on error flow

If debug message is open and bnx2x_vfop_qdtor_cmd() were to fail,
the resulting print would have caused a null pointer dereference.

Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Ariel Elior <ariele@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 997c661..bf08ad6 100644 (file)
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
@@ -470,10 +470,10 @@ static int bnx2x_vfop_qdtor_cmd(struct bnx2x *bp,
                                 bnx2x_vfop_qdtor, cmd->done);
                return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qdtor,
                                             cmd->block);
+       } else {
+               BNX2X_ERR("VF[%d] failed to add a vfop\n", vf->abs_vfid);
+               return -ENOMEM;
        }
-       DP(BNX2X_MSG_IOV, "VF[%d] failed to add a vfop. rc %d\n",
-          vf->abs_vfid, vfop->rc);
-       return -ENOMEM;
 }
 
 static void