From: Dan Carpenter <dan.carpenter@linaro.org>
To: Badhri Jagan Sridharan <badhri@google.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Alan Stern <stern@rowland.harvard.edu>,
Francesco Dolcini <francesco.dolcini@toradex.com>,
Krishna Kurapati <quic_kriskura@quicinc.com>,
Elson Roy Serrao <quic_eserrao@quicinc.com>,
linux-usb@vger.kernel.org, kernel-janitors@vger.kernel.org
Subject: [PATCH] usb: gadget: udc: core: Fix double unlock in usb_gadget_activate()
Date: Thu, 15 Jun 2023 18:43:03 +0300 [thread overview]
Message-ID: <32e22952-8574-4120-979b-ebb6af5f54b4@moroto.mountain> (raw)
Do not call mutex_unlock(&gadget->udc->connect_lock) twice in a row.
Fixes: 286d9975a838 ("usb: gadget: udc: core: Prevent soft_connect_store() race")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
---
drivers/usb/gadget/udc/core.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/drivers/usb/gadget/udc/core.c b/drivers/usb/gadget/udc/core.c
index 83fd1de14784..d58640a9d0ca 100644
--- a/drivers/usb/gadget/udc/core.c
+++ b/drivers/usb/gadget/udc/core.c
@@ -878,8 +878,6 @@ int usb_gadget_activate(struct usb_gadget *gadget)
*/
if (gadget->connected)
ret = usb_gadget_connect_locked(gadget);
- mutex_unlock(&gadget->udc->connect_lock);
-
unlock:
mutex_unlock(&gadget->udc->connect_lock);
trace_usb_gadget_activate(gadget, ret);
--
2.39.2
next reply other threads:[~2023-06-15 15:43 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-15 15:43 Dan Carpenter [this message]
2023-06-15 18:10 ` [PATCH] usb: gadget: udc: core: Fix double unlock in usb_gadget_activate() Badhri Jagan Sridharan
2023-06-19 13:39 ` Greg Kroah-Hartman
2023-06-19 14:46 ` Dan Carpenter
2023-06-19 15:06 ` Greg Kroah-Hartman
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