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* [PATCH -next] usbip: tools: Convert list_for_each to entry variant
@ 2021-06-15  6:58 Zou Wei
  2021-06-15 17:48 ` Shuah Khan
  0 siblings, 1 reply; 2+ messages in thread
From: Zou Wei @ 2021-06-15  6:58 UTC (permalink / raw)
  To: valentina.manea.m, shuah; +Cc: linux-usb, linux-kernel, Zou Wei

convert list_for_each() to list_for_each_entry() where
applicable.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zou Wei <zou_wei@huawei.com>
---
 tools/usb/usbip/libsrc/usbip_host_common.c | 4 +---
 tools/usb/usbip/src/usbipd.c               | 8 ++------
 2 files changed, 3 insertions(+), 9 deletions(-)

diff --git a/tools/usb/usbip/libsrc/usbip_host_common.c b/tools/usb/usbip/libsrc/usbip_host_common.c
index ca78aa3..80f16f0 100644
--- a/tools/usb/usbip/libsrc/usbip_host_common.c
+++ b/tools/usb/usbip/libsrc/usbip_host_common.c
@@ -267,12 +267,10 @@ int usbip_export_device(struct usbip_exported_device *edev, int sockfd)
 struct usbip_exported_device *usbip_generic_get_device(
 		struct usbip_host_driver *hdriver, int num)
 {
-	struct list_head *i;
 	struct usbip_exported_device *edev;
 	int cnt = 0;
 
-	list_for_each(i, &hdriver->edev_list) {
-		edev = list_entry(i, struct usbip_exported_device, node);
+	list_for_each_entry(edev, &hdriver->edev_list, node) {
 		if (num == cnt)
 			return edev;
 		cnt++;
diff --git a/tools/usb/usbip/src/usbipd.c b/tools/usb/usbip/src/usbipd.c
index 48398a7..438346e 100644
--- a/tools/usb/usbip/src/usbipd.c
+++ b/tools/usb/usbip/src/usbipd.c
@@ -93,7 +93,6 @@ static int recv_request_import(int sockfd)
 	struct op_import_request req;
 	struct usbip_exported_device *edev;
 	struct usbip_usb_device pdu_udev;
-	struct list_head *i;
 	int found = 0;
 	int status = ST_OK;
 	int rc;
@@ -107,8 +106,7 @@ static int recv_request_import(int sockfd)
 	}
 	PACK_OP_IMPORT_REQUEST(0, &req);
 
-	list_for_each(i, &driver->edev_list) {
-		edev = list_entry(i, struct usbip_exported_device, node);
+	list_for_each_entry(edev, &driver->edev_list, node) {
 		if (!strncmp(req.busid, edev->udev.busid, SYSFS_BUS_ID_SIZE)) {
 			info("found requested device: %s", req.busid);
 			found = 1;
@@ -160,7 +158,6 @@ static int send_reply_devlist(int connfd)
 	struct usbip_usb_device pdu_udev;
 	struct usbip_usb_interface pdu_uinf;
 	struct op_devlist_reply reply;
-	struct list_head *j;
 	int rc, i;
 
 	/*
@@ -174,8 +171,7 @@ static int send_reply_devlist(int connfd)
 
 	reply.ndev = 0;
 	/* number of exported devices */
-	list_for_each(j, &driver->edev_list) {
-		edev = list_entry(j, struct usbip_exported_device, node);
+	list_for_each_entry(edev, &driver->edev_list, node) {
 		if (edev->status != SDEV_ST_USED)
 			reply.ndev += 1;
 	}
-- 
2.6.2


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH -next] usbip: tools: Convert list_for_each to entry variant
  2021-06-15  6:58 [PATCH -next] usbip: tools: Convert list_for_each to entry variant Zou Wei
@ 2021-06-15 17:48 ` Shuah Khan
  0 siblings, 0 replies; 2+ messages in thread
From: Shuah Khan @ 2021-06-15 17:48 UTC (permalink / raw)
  To: Zou Wei, valentina.manea.m, shuah; +Cc: linux-usb, linux-kernel, Shuah Khan

On 6/15/21 12:58 AM, Zou Wei wrote:
> convert list_for_each() to list_for_each_entry() where
> applicable.
>  > Reported-by: Hulk Robot <hulkci@huawei.com>

What is the report? Please include the reports.

> Signed-off-by: Zou Wei <zou_wei@huawei.com>
> ---
>   tools/usb/usbip/libsrc/usbip_host_common.c | 4 +---
>   tools/usb/usbip/src/usbipd.c               | 8 ++------
>   2 files changed, 3 insertions(+), 9 deletions(-)
> 

Please explain why this change is necessary. Is it a good
idea to explain what happens if you don't make this change?

thanks,
-- Shuah

^ permalink raw reply	[flat|nested] 2+ messages in thread

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