linux-kernel - Re: [PATCH] net/mlx5e: Fix freeing of unassigned pointer

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Message-ID: <80cb7391f0feb838cc61a608efe0c24dcef41115.camel@kernel.org>
Date:   Tue, 06 Oct 2020 16:22:12 -0700
From:   Saeed Mahameed <saeed@...nel.org>
To:     Alex Dewar <alex.dewar90@...il.com>
Cc:     Leon Romanovsky <leon@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        netdev@...r.kernel.org, linux-rdma@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net/mlx5e: Fix freeing of unassigned pointer

On Sat, 2020-10-03 at 12:10 +0100, Alex Dewar wrote:
> Commit ff7ea04ad579 ("net/mlx5e: Fix potential null pointer
> dereference")
> added some missing null checks but the error handling in
> mlx5e_alloc_flow() was left broken: the variable attr is passed to
> kfree
> although it is never assigned to and never needs to be freed in this
> function. Fix this.
> 
> Addresses-Coverity-ID: 1497536 ("Memory - illegal accesses")
> Fixes: ff7ea04ad579 ("net/mlx5e: Fix potential null pointer
> dereference")
> Signed-off-by: Alex Dewar <alex.dewar90@...il.com>
> ---
>  drivers/net/ethernet/mellanox/mlx5/core/en_tc.c | 17 +++++++++----
> ----
>  1 file changed, 9 insertions(+), 8 deletions(-)
> 

Hi Alex, thanks for the patch, 
Colin submitted a one liner patch that I already picked up.

I hope you are ok with this.

Thanks,
Saeed.