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| /openbmc/linux/drivers/usb/gadget/udc/ |
| H A D | lpc32xx_udc.c | fbc318af Wed May 22 07:07:36 CDT 2019 Alexandre Belloni <alexandre.belloni@bootlin.com> usb: gadget: udc: lpc32xx: allocate descriptor with GFP_ATOMIC
Gadget drivers may queue request in interrupt context. This would lead to
a descriptor allocation in that context. In that case we would hit
BUG_ON(in_interrupt()) in __get_vm_area_node.
Also remove the unnecessary cast.
Acked-by: Sylvain Lemieux <slemieux.tyco@gmail.com>
Tested-by: James Grant <jamesg@zaltys.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
fbc318af Wed May 22 07:07:36 CDT 2019 Alexandre Belloni <alexandre.belloni@bootlin.com> usb: gadget: udc: lpc32xx: allocate descriptor with GFP_ATOMIC
Gadget drivers may queue request in interrupt context. This would lead to
a descriptor allocation in that context. In that case we would hit
BUG_ON(in_interrupt()) in __get_vm_area_node.
Also remove the unnecessary cast.
Acked-by: Sylvain Lemieux <slemieux.tyco@gmail.com>
Tested-by: James Grant <jamesg@zaltys.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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