Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx> writes: > 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. > > Signed-off-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx> > --- > drivers/usb/gadget/udc/lpc32xx_udc.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/usb/gadget/udc/lpc32xx_udc.c b/drivers/usb/gadget/udc/lpc32xx_udc.c > index d8f1c60793ed..b706d9c85a35 100644 > --- a/drivers/usb/gadget/udc/lpc32xx_udc.c > +++ b/drivers/usb/gadget/udc/lpc32xx_udc.c > @@ -938,7 +938,7 @@ static struct lpc32xx_usbd_dd_gad *udc_dd_alloc(struct lpc32xx_udc *udc) > struct lpc32xx_usbd_dd_gad *dd; > > dd = (struct lpc32xx_usbd_dd_gad *) dma_pool_alloc( > - udc->dd_cache, (GFP_KERNEL | GFP_DMA), &dma); > + udc->dd_cache, (GFP_ATOMIC | GFP_DMA), &dma); doesn't apply: checking file drivers/usb/gadget/udc/lpc32xx_udc.c Hunk #1 FAILED at 938. -- balbi
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