This is a note to let you know that I've just added the patch titled
usb: dwc3: gadget: add missing spin_lock()
to my usb git tree which can be found at
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git
in the usb-next branch.
The patch will show up in the next release of the linux-next tree
(usually sometime within the next 24 hours during the week.)
The patch will also be merged in the next major kernel release
during the merge window.
If you have any questions about this process, please let me know.
>From 5c7b3b02de766a8634708953e805399e3544a290 Mon Sep 17 00:00:00 2001
From: Felipe Balbi <balbi@xxxxxx>
Date: Thu, 29 Jan 2015 10:29:18 -0600
Subject: usb: dwc3: gadget: add missing spin_lock()
commit 8e74475b0e0a (usb: dwc3: gadget: use udc-core's
reset notifier) added support for the new UDC core's
reset notifier to dwc3 but while at it, it removed
a spin_lock() from dwc3_reset_gadget() which might
cause an unbalanced spin_unlock() further down the line
Fixes: 8e74475b0e0a (usb: dwc3: gadget: use udc-core's reset notifier)
Cc: <stable@xxxxxxxxxxxxxxx> # v3.19
Signed-off-by: Felipe Balbi <balbi@xxxxxx>
---
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 7cce00e7102b..eccd29b16840 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -2045,6 +2045,7 @@ static void dwc3_resume_gadget(struct dwc3 *dwc)
if (dwc->gadget_driver && dwc->gadget_driver->resume) {
spin_unlock(&dwc->lock);
dwc->gadget_driver->resume(&dwc->gadget);
+ spin_lock(&dwc->lock);
}
}
--
2.2.2
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