staging: hv: Remove dead code from netvsc.c

Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Reviewed-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/staging/hv/netvsc.c b/drivers/staging/hv/netvsc.c
index fa46a7e..8c6d4ae 100644 (file)
--- a/drivers/staging/hv/netvsc.c
+++ b/drivers/staging/hv/netvsc.c
@@ -134,7 +134,6 @@ static void put_net_device(struct hv_device *device)
        struct netvsc_device *net_device;
 
        net_device = device->ext;
-       /* ASSERT(netDevice); */
 
        atomic_dec(&net_device->refcnt);
 }
@@ -186,9 +185,6 @@ int netvsc_initialize(struct hv_driver *drv)
                   sizeof(struct nvsp_message),
                   sizeof(struct vmtransfer_page_packet_header));
 
-       /* Make sure we are at least 2 pages since 1 page is used for control */
-       /* ASSERT(driver->RingBufferSize >= (PAGE_SIZE << 1)); */
-
        drv->name = driver_name;
        memcpy(&drv->dev_type, &netvsc_device_type, sizeof(struct hv_guid));
 
@@ -220,9 +216,6 @@ static int netvsc_init_recv_buf(struct hv_device *device)
                           "device being destroyed?");
                return -1;
        }
-       /* ASSERT(netDevice->ReceiveBufferSize > 0); */
-       /* page-size grandularity */
-       /* ASSERT((netDevice->ReceiveBufferSize & (PAGE_SIZE - 1)) == 0); */
 
        net_device->recv_buf =
                (void *)__get_free_pages(GFP_KERNEL|__GFP_ZERO,
@@ -234,9 +227,6 @@ static int netvsc_init_recv_buf(struct hv_device *device)
                ret = -1;
                goto cleanup;
        }
-       /* page-aligned buffer */
-       /* ASSERT(((unsigned long)netDevice->ReceiveBuffer & (PAGE_SIZE - 1)) == */
-       /*      0); */
 
        DPRINT_INFO(NETVSC, "Establishing receive buffer's GPADL...");
 
@@ -299,8 +289,6 @@ static int netvsc_init_recv_buf(struct hv_device *device)
        }
 
        /* Parse the response */
-       /* ASSERT(netDevice->ReceiveSectionCount == 0); */
-       /* ASSERT(netDevice->ReceiveSections == NULL); */
 
        net_device->recv_section_cnt = init_packet->msg.
                v1_msg.send_recv_buf_complete.num_sections;
@@ -363,9 +351,6 @@ static int netvsc_init_send_buf(struct hv_device *device)
                goto cleanup;
        }
 
-       /* page-size grandularity */
-       /* ASSERT((netDevice->SendBufferSize & (PAGE_SIZE - 1)) == 0); */
-
        net_device->send_buf =
                (void *)__get_free_pages(GFP_KERNEL|__GFP_ZERO,
                                get_order(net_device->send_buf_size));
@@ -375,8 +360,6 @@ static int netvsc_init_send_buf(struct hv_device *device)
                ret = -1;
                goto cleanup;
        }
-       /* page-aligned buffer */
-       /* ASSERT(((unsigned long)netDevice->SendBuffer & (PAGE_SIZE - 1)) == 0); */
 
        DPRINT_INFO(NETVSC, "Establishing send buffer's GPADL...");
 
@@ -639,8 +622,6 @@ static int netvsc_connect_vsp(struct hv_device *device)
                goto cleanup;
        }
 
-       /* Now, check the response */
-       /* ASSERT(initPacket->Messages.InitMessages.InitComplete.MaximumMdlChainLength <= MAX_MULTIPAGE_BUFFER_COUNT); */
        DPRINT_INFO(NETVSC, "NvspMessageTypeInit status(%d) max mdl chain (%d)",
                init_packet->msg.init_msg.init_complete.status,
                init_packet->msg.init_msg.
@@ -895,7 +876,6 @@ static void netvsc_send_completion(struct hv_device *device,
                /* Get the send context */
                nvsc_packet = (struct hv_netvsc_packet *)(unsigned long)
                        packet->trans_id;
-               /* ASSERT(nvscPacket); */
 
                /* Notify the layer above us */
                nvsc_packet->completion.send.send_completion(
@@ -1072,8 +1052,6 @@ static void netvsc_receive(struct hv_device *device,
 
        /* This is how much we can satisfy */
        xferpage_packet->count = count - 1;
-       /* ASSERT(xferpagePacket->Count > 0 && xferpagePacket->Count <= */
-       /*      vmxferpagePacket->RangeCount); */
 
        if (xferpage_packet->count != vmxferpage_packet->range_cnt) {
                DPRINT_INFO(NETVSC, "Needed %d netvsc pkts to satisy this xfer "
@@ -1101,10 +1079,6 @@ static void netvsc_receive(struct hv_device *device,
                                        vmxferpage_packet->ranges[i].byte_count;
                netvsc_packet->page_buf_cnt = 1;
 
-               /* ASSERT(vmxferpagePacket->Ranges[i].ByteOffset + */
-               /*      vmxferpagePacket->Ranges[i].ByteCount < */
-               /*      netDevice->ReceiveBufferSize); */
-
                netvsc_packet->page_buf[0].len =
                                        vmxferpage_packet->ranges[i].byte_count;
 
@@ -1147,7 +1121,6 @@ static void netvsc_receive(struct hv_device *device,
                                if (bytes_remain == 0)
                                        break;
                        }
-                       /* ASSERT(bytesRemain == 0); */
                }
                DPRINT_DBG(NETVSC, "[%d] - (abs offset %u len %u) => "
                           "(pfn %llx, offset %u, len %u)", i,
@@ -1165,8 +1138,6 @@ static void netvsc_receive(struct hv_device *device,
                                completion.recv.recv_completion_ctx);
        }
 
-       /* ASSERT(list_empty(&listHead)); */
-
        put_net_device(device);
 }
 
@@ -1225,8 +1196,6 @@ static void netvsc_receive_completion(void *context)
        bool fsend_receive_comp = false;
        unsigned long flags;
 
-       /* ASSERT(packet->XferPagePacket); */
-
        /*
         * Even though it seems logical to do a GetOutboundNetDevice() here to
         * send out receive completion, we are using GetInboundNetDevice()
@@ -1242,7 +1211,6 @@ static void netvsc_receive_completion(void *context)
        /* Overloading use of the lock. */
        spin_lock_irqsave(&net_device->recv_pkt_list_lock, flags);
 
-       /* ASSERT(packet->XferPagePacket->Count > 0); */
        packet->xfer_page_pkt->count--;
 
        /*
@@ -1280,8 +1248,6 @@ static void netvsc_channel_cb(void *context)
        unsigned char *buffer;
        int bufferlen = NETVSC_PACKET_SIZE;
 
-       /* ASSERT(device); */
-
        packet = kzalloc(NETVSC_PACKET_SIZE * sizeof(unsigned char),
                         GFP_ATOMIC);
        if (!packet)