Re: [PATCH][linux-next] net/mlx5: Bridge, fix uninitialized variable in mlx5_esw_bridge_port_changeupper()

[Saeed Mahameed <saeedm@nvidia.com>]

On Wed, 2021-08-18 at 19:47 +0300, Vlad Buslov wrote:
> On Wed 18 Aug 2021 at 18:52, Tim Gardner <tim.gardner@canonical.com>
> wrote:
> > A recent change removed code that initialized the return code
> > variable 'err'. It
> > is now possible for mlx5_esw_bridge_port_changeupper() to return an
> > error code
> > using this uninitialized variable. Fix it by initializing to 0.
> > 
> > Addresses-Coverity: ("Uninitialized scalar variable (UNINIT)")
> > 
> > Cc: Saeed Mahameed <saeedm@nvidia.com>
> > Cc: Leon Romanovsky <leon@kernel.org>
> > Cc: "David S. Miller" <davem@davemloft.net>
> > Cc: Jakub Kicinski <kuba@kernel.org>
> > Cc: Vlad Buslov <vladbu@nvidia.com>
> > Cc: Jianbo Liu <jianbol@nvidia.com>
> > Cc: Mark Bloch <mbloch@nvidia.com>
> > Cc: Roi Dayan <roid@nvidia.com>
> > Cc: Vladimir Oltean <vladimir.oltean@nxp.com>
> > Cc: netdev@vger.kernel.org
> > Cc: linux-rdma@vger.kernel.org
> > Cc: linux-kernel@vger.kernel.org

Just wondering, do we really need 12 inline CCs for fixing a poor
coverity?

> > Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
> > ---
> 
> Tim, thanks for fixing this!
> 
> Saeed, this is the second similar issue that I mentioned in my reply
> to
> Colin. Again, I've already submitted same patch internally and this
> one
> is as good as mine.

I don't mind both patches are perfect.

> 
> Reviewed-by: Vlad Buslov <vladbu@nvidia.com>
> 
> [...]
> 
>