qlge: call ql_core_dump() only if dump memory was allocated.

Also changed a log message to indicate that memory was not allocated
instead of memory not available!

Signed-off-by: Malahal Naineni <malahal@us.ibm.com>
Acked-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/qlogic/qlge/qlge_dbg.c

@@ -740,8 +740,8 @@ int ql_core_dump(struct ql_adapter *qdev, struct ql_mpi_coredump *mpi_coredump)
 	int i;
 
 	if (!mpi_coredump) {
-		netif_err(qdev, drv, qdev->ndev, "No memory available\n");
-		return -ENOMEM;
+		netif_err(qdev, drv, qdev->ndev, "No memory allocated\n");
+		return -EINVAL;
 	}
 
 	/* Try to get the spinlock, but dont worry if

drivers/net/ethernet/qlogic/qlge/qlge_mpi.c

@@ -1274,7 +1274,7 @@ void ql_mpi_reset_work(struct work_struct *work)
 		return;
 	}
 
-	if (!ql_core_dump(qdev, qdev->mpi_coredump)) {
+	if (qdev->mpi_coredump && !ql_core_dump(qdev, qdev->mpi_coredump)) {
 		netif_err(qdev, drv, qdev->ndev, "Core is dumped!\n");
 		qdev->core_is_dumped = 1;
 		queue_delayed_work(qdev->workqueue,