linux-kernel - [PATCH V2] usb: dwc3: gadget: Let pm runtime get/put paired

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <20230801011548.30232-1-surong.pang@unisoc.com>
Date:   Tue, 1 Aug 2023 09:15:48 +0800
From:   Surong Pang <surong.pang@...soc.com>
To:     <Thinh.Nguyen@...opsys.com>, <gregkh@...uxfoundation.org>,
        <felipe.balbi@...ux.intel.com>, <linux-usb@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
CC:     <Orson.Zhai@...soc.com>, <Chunyan.Zhang@...soc.com>,
        <Zhiyong.liu@...soc.com>, <Surong.Pang@...soc.com>,
        <Surong.Pang@...il.com>
Subject: [PATCH V2] usb: dwc3: gadget: Let pm runtime get/put paired

Pm_runtime_get is called when setting pending_events to true.
Pm_runtime_put is needed for pairing with pm_runtime_get.

Fixes: fc8bb91bc83e ("usb: dwc3: implement runtime PM")
Signed-off-by: Surong Pang <surong.pang@...soc.com>

---
V2: add Fixes tag, fix Fixes tag
---
 drivers/usb/dwc3/gadget.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 5fd067151fbf..9c835c5f9928 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -4720,5 +4720,6 @@ void dwc3_gadget_process_pending_events(struct dwc3 *dwc)
 		dwc3_interrupt(dwc->irq_gadget, dwc->ev_buf);
 		dwc->pending_events = false;
 		enable_irq(dwc->irq_gadget);
+		pm_runtime_put(dwc->dev);
 	}
 }
-- 
2.17.1