[dpdk-stable] [PATCH v2] [18.11] net/mlx5: fix xstats reset reinitialization

[Kevin Traynor]

On 08/12/2020 12:48, Viacheslav Ovsiienko wrote:
> From: Shiri Kuzin <shirik at nvidia.com>
> 
> [ upstream commit 42dcd453d9b63841a5460a6ca3872eb7648d73bd ]
> 
> The mlx5_xstats_reset clears the device extended statistics.
> In this function the driver may reinitialize the structures
> that are used to read device counters.
> 
> In case of reinitialization, the number of counters may
> change, which wouldn't be taken into account by the
> reset API callback and can cause a segmentation fault.
> 
> This issue is fixed by allocating the counters size after
> the reinitialization.
> 
> Fixes: a4193ae3bc4f ("net/mlx5: support extended statistics")
> 
> Reported-by: Ralf Hoffmann <ralf.hoffmann at allegro-packets.com>
> Signed-off-by: Shiri Kuzin <shirik at nvidia.com>
> Acked-by: Matan Azrad <matan at nvidia.com>
> ---
>  drivers/net/mlx5/mlx5_stats.c | 17 ++++++++++++++---
>  1 file changed, 14 insertions(+), 3 deletions(-)

Applied, thanks.