From: Imre Palik <[email protected]> Date: Fri, 19 Jun 2015 14:21:51 +0200
> From: "Palik, Imre" <[email protected]> > > Commit edafc132baac ("xen-netback: making the bandwidth limiter runtime > settable") > introduced the capability to change the bandwidth rate limit at runtime. > But it also introduced a possible crashing bug. > > If netback receives two XenbusStateConnected without getting the > hotplug-status watch firing in between, then it will try to register the > watches for the rate limiter again. But this triggers a BUG() in the watch > registration code. > > The fix modifies connect() to remove the possibly existing packet-rate > watches before trying to install those watches. This behaviour is in line > with how connect() deals with the hotplug-status watch. > > Signed-off-by: Imre Palik <[email protected]> > Cc: Matt Wilson <[email protected]> Applied, thank you. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
