Commit 2a540edf authored by Oliver Neukum's avatar Oliver Neukum Committed by Felipe Balbi
Browse files

usb: dwc3: core: memory ordering fix in close 



As a bitmap is used for free/used. As a device freed
all memory operations must be scheduled before the bitmap
is manipulated.

Signed-off-by: default avatarOliver Neukum <oneukum@suse.de>
Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent c6f83f38

drivers/usb/dwc3/core.c

+1 −0
Original line number Diff line number Diff line
@@ -99,6 +99,7 @@ void dwc3_put_device_id(int id) 


	ret = test_bit(id, dwc3_devs);

	WARN(!ret, "dwc3: ID %d not in use\n", id);

	smp_mb__before_clear_bit();

	clear_bit(id, dwc3_devs);

}

EXPORT_SYMBOL_GPL(dwc3_put_device_id);