> From: Sudip Mukherjee [mailto:sudipm.mukher...@gmail.com] > Sent: Thursday, October 16, 2014 9:44 PM > > sparse was giving the following warning: > warning: context imbalance in 's3c_hsotg_ep_enable' > - different lock contexts for basic block > > we were returning ENOMEM while still holding the spinlock. > The sparse warning was fixed by releasing the spinlock before return. > > Signed-off-by: Sudip Mukherjee <su...@vectorindia.org> > --- > drivers/usb/dwc2/gadget.c | 7 +++++-- > 1 file changed, 5 insertions(+), 2 deletions(-) > > diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c > index 7b5856f..7f25527 100644 > --- a/drivers/usb/dwc2/gadget.c > +++ b/drivers/usb/dwc2/gadget.c > @@ -2561,8 +2561,10 @@ static int s3c_hsotg_ep_enable(struct usb_ep *ep, > hs_ep->fifo_size = val; > break; > } > - if (i == 8) > - return -ENOMEM; > + if (i == 8) { > + ret = -ENOMEM; > + goto error; > + } > } > > /* for non control endpoints, set PID to D0 */ > @@ -2579,6 +2581,7 @@ static int s3c_hsotg_ep_enable(struct usb_ep *ep, > /* enable the endpoint interrupt */ > s3c_hsotg_ctrl_epint(hsotg, index, dir_in, 1); > > +error: > spin_unlock_irqrestore(&hsotg->lock, flags); > return ret; > }
Acked-by: Paul Zimmerman <pa...@synopsys.com> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
