[dpdk-dev] [PATCH v2] net/failsafe: fix Rx interrupt reinstallation

Gaëtan Rivet gaetan.rivet at 6wind.com
Wed Feb 14 16:01:29 CET 2018


On Wed, Feb 14, 2018 at 04:00:13PM +0100, Gaëtan Rivet wrote:
> On Wed, Feb 14, 2018 at 02:47:26PM +0000, Matan Azrad wrote:
> > Fail-safe dev_start() operation can be called by both the application
> > and the hot-plug alarm mechanism.
> > 
> > The installation of Rx interrupt are triggered from dev_start() in any
> > time it is called while actually the Rx interrupt should be installed
> > only by the application calls.
> > 
> > So, each plug-in event causes reinstallation which causes memory leak
> > and spoils the fail-safe Rx interrupt mechanism.
> > 
> > Trigger the Rx interrupt installation only when it does not exist.
> > 
> > Fixes: 9e0360aebf23 ("net/failsafe: register as Rx interrupt mode")
> > 
> > Signed-off-by: Matan Azrad <matan at mellanox.com>
> 
> Acked-by: Gaetan Rivet <gaetan.rivet at 6wind.com>

Actually no!

There is a mistake in the patch, you disabled the uninstall, instead of
the installation.

-- 
Gaëtan Rivet
6WIND


More information about the dev mailing list