From: Intiyaz Basha <intiyaz.basha@cavium.com>
Date: Wed, 9 Aug 2017 12:07:08 -0700
Subject: liquidio: rx/tx queue cleanup
Patch-mainline: v4.14-rc1
Git-commit: c1550fde51482feebeb8e27742672a2614cb1f12
References: bsc#1067126

When deleting a queue, clear its corresponding bit in the qmask, vfree its
memory, clear out the pointer that's pointing to it, and decrement the
queue count.

Signed-off-by: Intiyaz Basha <intiyaz.basha@cavium.com>
Signed-off-by: Felix Manlunas <fmanlunas@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/net/ethernet/cavium/liquidio/octeon_droq.c     |    4 ++++
 drivers/net/ethernet/cavium/liquidio/request_manager.c |    4 ++++
 2 files changed, 8 insertions(+)

--- a/drivers/net/ethernet/cavium/liquidio/octeon_droq.c
+++ b/drivers/net/ethernet/cavium/liquidio/octeon_droq.c
@@ -209,6 +209,10 @@ int octeon_delete_droq(struct octeon_dev
 			     droq->desc_ring, droq->desc_ring_dma);
 
 	memset(droq, 0, OCT_DROQ_SIZE);
+	oct->io_qmask.oq &= ~(1ULL << q_no);
+	vfree(oct->droq[q_no]);
+	oct->droq[q_no] = NULL;
+	oct->num_oqs--;
 
 	return 0;
 }
--- a/drivers/net/ethernet/cavium/liquidio/request_manager.c
+++ b/drivers/net/ethernet/cavium/liquidio/request_manager.c
@@ -190,6 +190,10 @@ int octeon_delete_instr_queue(struct oct
 		q_size = iq->max_count * desc_size;
 		lio_dma_free(oct, (u32)q_size, iq->base_addr,
 			     iq->base_addr_dma);
+		oct->io_qmask.iq &= ~(1ULL << iq_no);
+		vfree(oct->instr_queue[iq_no]);
+		oct->instr_queue[iq_no] = NULL;
+		oct->num_iqs--;
 		return 0;
 	}
 	return 1;