linux-kernel - [PATCH] usb: gadget: mass_storage: Make use of the helper macro kthread

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Message-ID: <20211021084359.2607-1-caihuoqing@baidu.com>
Date:   Thu, 21 Oct 2021 16:43:58 +0800
From:   Cai Huoqing <caihuoqing@...du.com>
To:     <caihuoqing@...du.com>
CC:     Felipe Balbi <balbi@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        <linux-usb@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] usb: gadget: mass_storage: Make use of the helper macro kthread_run()

Repalce kthread_create/wake_up_process() with kthread_run()
to simplify the code.

Signed-off-by: Cai Huoqing <caihuoqing@...du.com>
---
 drivers/usb/gadget/function/f_mass_storage.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/usb/gadget/function/f_mass_storage.c b/drivers/usb/gadget/function/f_mass_storage.c
index 3cabf7692ee1..1e3cab5d635c 100644
--- a/drivers/usb/gadget/function/f_mass_storage.c
+++ b/drivers/usb/gadget/function/f_mass_storage.c
@@ -2962,7 +2962,7 @@ static int fsg_bind(struct usb_configuration *c, struct usb_function *f)
 	if (!common->thread_task) {
 		common->state = FSG_STATE_NORMAL;
 		common->thread_task =
-			kthread_create(fsg_main_thread, common, "file-storage");
+			kthread_run(fsg_main_thread, common, "file-storage");
 		if (IS_ERR(common->thread_task)) {
 			ret = PTR_ERR(common->thread_task);
 			common->thread_task = NULL;
@@ -2971,7 +2971,6 @@ static int fsg_bind(struct usb_configuration *c, struct usb_function *f)
 		}
 		DBG(common, "I/O thread pid: %d\n",
 		    task_pid_nr(common->thread_task));
-		wake_up_process(common->thread_task);
 	}
 
 	fsg->gadget = gadget;
-- 
2.25.1