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path: root/drivers/net/usb/hso.c
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Diffstat (limited to 'drivers/net/usb/hso.c')
-rw-r--r--drivers/net/usb/hso.c57
1 files changed, 22 insertions, 35 deletions
diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
index cd8ccb240f4b..e2dd3249b6bd 100644
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -2035,25 +2035,23 @@ static int put_rxbuf_data(struct urb *urb, struct hso_serial *serial)
tty = tty_port_tty_get(&serial->port);
/* Push data to tty */
- if (tty) {
- write_length_remaining = urb->actual_length -
- serial->curr_rx_urb_offset;
- D1("data to push to tty");
- while (write_length_remaining) {
- if (test_bit(TTY_THROTTLED, &tty->flags)) {
- tty_kref_put(tty);
- return -1;
- }
- curr_write_len = tty_insert_flip_string
- (tty, urb->transfer_buffer +
- serial->curr_rx_urb_offset,
- write_length_remaining);
- serial->curr_rx_urb_offset += curr_write_len;
- write_length_remaining -= curr_write_len;
- tty_flip_buffer_push(tty);
+ write_length_remaining = urb->actual_length -
+ serial->curr_rx_urb_offset;
+ D1("data to push to tty");
+ while (write_length_remaining) {
+ if (tty && test_bit(TTY_THROTTLED, &tty->flags)) {
+ tty_kref_put(tty);
+ return -1;
}
- tty_kref_put(tty);
+ curr_write_len = tty_insert_flip_string(&serial->port,
+ urb->transfer_buffer + serial->curr_rx_urb_offset,
+ write_length_remaining);
+ serial->curr_rx_urb_offset += curr_write_len;
+ write_length_remaining -= curr_write_len;
+ tty_flip_buffer_push(&serial->port);
}
+ tty_kref_put(tty);
+
if (write_length_remaining == 0) {
serial->curr_rx_urb_offset = 0;
serial->rx_urb_filled[hso_urb_to_index(serial, urb)] = 0;
@@ -2317,10 +2315,8 @@ static int hso_serial_common_create(struct hso_serial *serial, int num_urbs,
serial->rx_urb[i]->transfer_buffer_length = 0;
serial->rx_data[i] = kzalloc(serial->rx_data_length,
GFP_KERNEL);
- if (!serial->rx_data[i]) {
- dev_err(dev, "%s - Out of memory\n", __func__);
+ if (!serial->rx_data[i])
goto exit;
- }
}
/* TX, allocate urb and initialize */
@@ -2336,15 +2332,12 @@ static int hso_serial_common_create(struct hso_serial *serial, int num_urbs,
serial->tx_buffer_count = 0;
serial->tx_data_length = tx_size;
serial->tx_data = kzalloc(serial->tx_data_length, GFP_KERNEL);
- if (!serial->tx_data) {
- dev_err(dev, "%s - Out of memory\n", __func__);
+ if (!serial->tx_data)
goto exit;
- }
+
serial->tx_buffer = kzalloc(serial->tx_data_length, GFP_KERNEL);
- if (!serial->tx_buffer) {
- dev_err(dev, "%s - Out of memory\n", __func__);
+ if (!serial->tx_buffer)
goto exit;
- }
return 0;
exit:
@@ -2580,10 +2573,8 @@ static struct hso_device *hso_create_net_device(struct usb_interface *interface,
}
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]) {
- dev_err(&interface->dev, "Could not allocate rx buf\n");
+ 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) {
@@ -2591,10 +2582,8 @@ static struct hso_device *hso_create_net_device(struct usb_interface *interface,
goto exit;
}
hso_net->mux_bulk_tx_buf = kzalloc(MUX_BULK_TX_BUF_SIZE, GFP_KERNEL);
- if (!hso_net->mux_bulk_tx_buf) {
- dev_err(&interface->dev, "Could not allocate tx buf\n");
+ if (!hso_net->mux_bulk_tx_buf)
goto exit;
- }
add_net_device(hso_dev);
@@ -2818,10 +2807,8 @@ struct hso_shared_int *hso_create_shared_int(struct usb_interface *interface)
mux->shared_intr_buf =
kzalloc(le16_to_cpu(mux->intr_endp->wMaxPacketSize),
GFP_KERNEL);
- if (!mux->shared_intr_buf) {
- dev_err(&interface->dev, "Could not allocate intr buf?\n");
+ if (!mux->shared_intr_buf)
goto exit;
- }
mutex_init(&mux->shared_int_lock);