[PATCH v3] net/mlx5: fix matcher object memory leak

[Dariusz Sosnowski]

Hi,

> -----Original Message-----
> From: Bing Zhao <bingz at nvidia.com>
> Sent: Wednesday, July 3, 2024 10:00
> To: Mahmoud Maatuq <mahmoudmatook.mm at gmail.com>; Dariusz
> Sosnowski <dsosnowski at nvidia.com>; Slava Ovsiienko
> <viacheslavo at nvidia.com>; Ori Kam <orika at nvidia.com>; Suanming Mou
> <suanmingm at nvidia.com>; Matan Azrad <matan at nvidia.com>; Maayan
> Kashani <mkashani at nvidia.com>
> Cc: dev at dpdk.org
> Subject: RE: [PATCH v3] net/mlx5: fix matcher object memory leak
> 
> Hi,
> 
> 
> > -----Original Message-----
> > From: Mahmoud Maatuq <mahmoudmatook.mm at gmail.com>
> > Sent: Wednesday, July 3, 2024 4:15 AM
> > To: Dariusz Sosnowski <dsosnowski at nvidia.com>; Slava Ovsiienko
> > <viacheslavo at nvidia.com>; Bing Zhao <bingz at nvidia.com>; Ori Kam
> > <orika at nvidia.com>; Suanming Mou <suanmingm at nvidia.com>; Matan
> Azrad
> > <matan at nvidia.com>; Maayan Kashani <mkashani at nvidia.com>
> > Cc: dev at dpdk.org; Mahmoud Maatuq <mahmoudmatook.mm at gmail.com>
> > Subject: [PATCH v3] net/mlx5: fix matcher object memory leak
> >
> > External email: Use caution opening links or attachments
> >
> >
> > This makes sure that the allocated matcher object is freed for all
> > branches that return NULL.
> >
> > Coverity issue: 426424
> > Fixes: 27d171b88031 ("net/mlx5: abstract flow action and enable
> > reconfigure")
> > Cc: mkashani at nvidia.com
> >
> > Signed-off-by: Mahmoud Maatuq <mahmoudmatook.mm at gmail.com>
> > ---
> > v3:
> > * changed commit message.
> > * fixed typos
> > v2:
> > * fixed Fixes and Cc tags.
> > ---
> >  drivers/net/mlx5/mlx5_flow_dv.c | 5 ++++-
> >  1 file changed, 4 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/net/mlx5/mlx5_flow_dv.c
> > b/drivers/net/mlx5/mlx5_flow_dv.c index d46beffd4c..8a0d58cb05 100644
> > --- a/drivers/net/mlx5/mlx5_flow_dv.c
> > +++ b/drivers/net/mlx5/mlx5_flow_dv.c
> > @@ -12010,9 +12010,12 @@ flow_matcher_create_cb(void *tool_ctx, void
> > *cb_ctx)
> >                 items = *((const struct rte_flow_item **)(ctx->data2));
> >                 resource->matcher_object = mlx5dr_bwc_matcher_create
> >                                 (resource->group->tbl,
> > resource->priority, items);
> > -               if (!(resource->matcher_object))
> > +               if (!resource->matcher_object) {
> > +                       mlx5_free(resource);
> >                         return NULL;
> > +               }
> >  #else
> > +               mlx5_free(resource);
> >                 return NULL;
> >  #endif
> >         }
> > --
> > 2.43.0
> 
> Acked-by: Bing Zhao <bingz at nvidia.com>

Thank you for all the changes and the patch!

Acked-by: Dariusz Sosnowski <dsosnowski at nvidia.com>

Best regards,
Dariusz Sosnowski