On Fri, 8 Apr 2016, Greg Kroah-Hartman wrote: > On Fri, Apr 08, 2016 at 05:08:03PM +0800, Chunfeng Yun wrote: > > NULL pointer dereferrence will happen when class driver > > wants to allocate zero length buffer and pool_max[0] > > can't be used, so skip reserved pool in this case. > > Why would a driver want to allocate a 0 length buffer? What driver does > this? > > Shouldn't we fix that issue instead? And even if a driver does want to allocate a 0-length buffer, shouldn't the function simply return early instead of running through all its calculations? Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
