On Mon, Oct 14, 2013 at 08:47:36AM -0700, Guenter Roeck wrote: > Hi all, > > I am getting the following smatch error in drivers/watchdog/pcwd_usb.c: > > drivers/watchdog/pcwd_usb.c:257 usb_pcwd_send_command() error: doing dma on the stack (buf) > > This is from a call to usb_control_msg(). > > Is this a false positive or a real problem that needs to be fixed ? It is a real problem that must be fixed. You can't send USB data off of the stack and expect the driver to work on all controllers and platforms. thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-watchdog" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
