r8152: fix the warnings and a error from checkpatch.pl

Fix the following warnings and error:
 - WARNING: usb_free_urb(NULL) is safe this check is probably not required
 - WARNING: kfree(NULL) is safe this check is probably not required
 - ERROR: do not use C99 // comments

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
hayeswang 2014-01-15 10:42:15 +08:00 committed by David S. Miller
parent 44d942a908
commit 9629e3c037
1 changed files with 15 additions and 27 deletions

View File

@ -1100,40 +1100,28 @@ static void free_all_mem(struct r8152 *tp)
int i;
for (i = 0; i < RTL8152_MAX_RX; i++) {
if (tp->rx_info[i].urb) {
usb_free_urb(tp->rx_info[i].urb);
tp->rx_info[i].urb = NULL;
}
usb_free_urb(tp->rx_info[i].urb);
tp->rx_info[i].urb = NULL;
if (tp->rx_info[i].buffer) {
kfree(tp->rx_info[i].buffer);
tp->rx_info[i].buffer = NULL;
tp->rx_info[i].head = NULL;
}
kfree(tp->rx_info[i].buffer);
tp->rx_info[i].buffer = NULL;
tp->rx_info[i].head = NULL;
}
for (i = 0; i < RTL8152_MAX_TX; i++) {
if (tp->tx_info[i].urb) {
usb_free_urb(tp->tx_info[i].urb);
tp->tx_info[i].urb = NULL;
}
usb_free_urb(tp->tx_info[i].urb);
tp->tx_info[i].urb = NULL;
if (tp->tx_info[i].buffer) {
kfree(tp->tx_info[i].buffer);
tp->tx_info[i].buffer = NULL;
tp->tx_info[i].head = NULL;
}
kfree(tp->tx_info[i].buffer);
tp->tx_info[i].buffer = NULL;
tp->tx_info[i].head = NULL;
}
if (tp->intr_urb) {
usb_free_urb(tp->intr_urb);
tp->intr_urb = NULL;
}
usb_free_urb(tp->intr_urb);
tp->intr_urb = NULL;
if (tp->intr_buff) {
kfree(tp->intr_buff);
tp->intr_buff = NULL;
}
kfree(tp->intr_buff);
tp->intr_buff = NULL;
}
static int alloc_all_mem(struct r8152 *tp)
@ -2048,7 +2036,7 @@ static void r8153_first_init(struct r8152 *tp)
/* TX share fifo free credit full threshold */
ocp_write_dword(tp, MCU_TYPE_PLA, PLA_TXFIFO_CTRL, TXFIFO_THR_NORMAL2);
// rx aggregation
/* rx aggregation */
ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_USB_CTRL);
ocp_data &= ~RX_AGG_DISABLE;
ocp_write_word(tp, MCU_TYPE_USB, USB_USB_CTRL, ocp_data);