Re: [PATCH] usbip: vudc: Make use of the helper macro LIST_HEAD()

From: Shuah Khan
Date: Wed Feb 09 2022 - 11:00:45 EST


On 2/8/22 8:28 PM, Cai Huoqing wrote:
Replace "struct list_head head = LIST_HEAD_INIT(head)" with
"LIST_HEAD(head)" to simplify the code.

Signed-off-by: Cai Huoqing <cai.huoqing@xxxxxxxxx>
---
drivers/usb/usbip/vudc_main.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/usbip/vudc_main.c b/drivers/usb/usbip/vudc_main.c
index 678faa82598c..d43252b77efd 100644
--- a/drivers/usb/usbip/vudc_main.c
+++ b/drivers/usb/usbip/vudc_main.c
@@ -26,7 +26,7 @@ static struct platform_driver vudc_driver = {
},
};
-static struct list_head vudc_devices = LIST_HEAD_INIT(vudc_devices);
+static LIST_HEAD(vudc_devices);
static int __init init(void)
{


Explain why this change simplifies the code and also add a comment
above LIST_HEAD

LIST_HEAD_INIT clearly states what it does, as a result it is easier
to understand the code.

thanks,
-- Shuah