From 9629e3c037a1ede32b70d9ae2ab131cdfb872df8 Mon Sep 17 00:00:00 2001 From: hayeswang Date: Wed, 15 Jan 2014 10:42:15 +0800 Subject: [PATCH] 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 Signed-off-by: David S. Miller --- drivers/net/usb/r8152.c | 42 +++++++++++++++-------------------------- 1 file changed, 15 insertions(+), 27 deletions(-) diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index 38f3c1426eb0..eab078b6e603 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -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);