net: usb: hso: don't print error when allocating urb fails
authorWolfram Sang <wsa-dev@sang-engineering.com>
Thu, 11 Aug 2016 21:05:26 +0000 (23:05 +0200)
committerDavid S. Miller <davem@davemloft.net>
Sat, 13 Aug 2016 21:53:39 +0000 (14:53 -0700)
kmalloc will print enough information in case of failure.

Signed-off-by: Wolfram Sang <wsa-dev@sang-engineering.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/usb/hso.c

index 4b4458616693f9294e1150da8db351163c29aa9b..c5544d36c54f966a630b1aef3f1028be50d5ceb7 100644 (file)
@@ -2300,10 +2300,8 @@ static int hso_serial_common_create(struct hso_serial *serial, int num_urbs,
        serial->rx_data_length = rx_size;
        for (i = 0; i < serial->num_rx_urbs; i++) {
                serial->rx_urb[i] = usb_alloc_urb(0, GFP_KERNEL);
-               if (!serial->rx_urb[i]) {
-                       dev_err(dev, "Could not allocate urb?\n");
+               if (!serial->rx_urb[i])
                        goto exit;
-               }
                serial->rx_urb[i]->transfer_buffer = NULL;
                serial->rx_urb[i]->transfer_buffer_length = 0;
                serial->rx_data[i] = kzalloc(serial->rx_data_length,
@@ -2314,10 +2312,8 @@ static int hso_serial_common_create(struct hso_serial *serial, int num_urbs,
 
        /* TX, allocate urb and initialize */
        serial->tx_urb = usb_alloc_urb(0, GFP_KERNEL);
-       if (!serial->tx_urb) {
-               dev_err(dev, "Could not allocate urb?\n");
+       if (!serial->tx_urb)
                goto exit;
-       }
        serial->tx_urb->transfer_buffer = NULL;
        serial->tx_urb->transfer_buffer_length = 0;
        /* prepare our TX buffer */
@@ -2555,20 +2551,16 @@ static struct hso_device *hso_create_net_device(struct usb_interface *interface,
        /* start allocating */
        for (i = 0; i < MUX_BULK_RX_BUF_COUNT; i++) {
                hso_net->mux_bulk_rx_urb_pool[i] = usb_alloc_urb(0, GFP_KERNEL);
-               if (!hso_net->mux_bulk_rx_urb_pool[i]) {
-                       dev_err(&interface->dev, "Could not allocate rx urb\n");
+               if (!hso_net->mux_bulk_rx_urb_pool[i])
                        goto exit;
-               }
                hso_net->mux_bulk_rx_buf_pool[i] = kzalloc(MUX_BULK_RX_BUF_SIZE,
                                                           GFP_KERNEL);
                if (!hso_net->mux_bulk_rx_buf_pool[i])
                        goto exit;
        }
        hso_net->mux_bulk_tx_urb = usb_alloc_urb(0, GFP_KERNEL);
-       if (!hso_net->mux_bulk_tx_urb) {
-               dev_err(&interface->dev, "Could not allocate tx urb\n");
+       if (!hso_net->mux_bulk_tx_urb)
                goto exit;
-       }
        hso_net->mux_bulk_tx_buf = kzalloc(MUX_BULK_TX_BUF_SIZE, GFP_KERNEL);
        if (!hso_net->mux_bulk_tx_buf)
                goto exit;
@@ -2787,10 +2779,8 @@ struct hso_shared_int *hso_create_shared_int(struct usb_interface *interface)
        }
 
        mux->shared_intr_urb = usb_alloc_urb(0, GFP_KERNEL);
-       if (!mux->shared_intr_urb) {
-               dev_err(&interface->dev, "Could not allocate intr urb?\n");
+       if (!mux->shared_intr_urb)
                goto exit;
-       }
        mux->shared_intr_buf =
                kzalloc(le16_to_cpu(mux->intr_endp->wMaxPacketSize),
                        GFP_KERNEL);