linux-kernel - Re: [PATCH] net/mlx5e: Fix printk format warning

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Message-ID: <CAOesGMgxHGBdkdVOoWYpqSF-13iP3itJksCRL8QSiS0diL26dA@mail.gmail.com>
Date:   Sat, 21 Dec 2019 13:19:40 -0800
From:   Olof Johansson <olof@...om.net>
To:     Joe Perches <joe@...ches.com>
Cc:     Saeed Mahameed <saeedm@...lanox.com>,
        Leon Romanovsky <leon@...nel.org>,
        Network Development <netdev@...r.kernel.org>,
        linux-rdma@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] net/mlx5e: Fix printk format warning

On Thu, Dec 19, 2019 at 6:07 PM Joe Perches <joe@...ches.com> wrote:
>
> On Thu, 2019-12-19 at 16:15 -0800, Olof Johansson wrote:
> > Use "%zu" for size_t. Seen on ARM allmodconfig:
> []
> > diff --git a/drivers/net/ethernet/mellanox/mlx5/core/wq.c b/drivers/net/ethernet/mellanox/mlx5/core/wq.c
> []
> > @@ -89,7 +89,7 @@ void mlx5_wq_cyc_wqe_dump(struct mlx5_wq_cyc *wq, u16 ix, u8 nstrides)
> >       len = nstrides << wq->fbc.log_stride;
> >       wqe = mlx5_wq_cyc_get_wqe(wq, ix);
> >
> > -     pr_info("WQE DUMP: WQ size %d WQ cur size %d, WQE index 0x%x, len: %ld\n",
> > +     pr_info("WQE DUMP: WQ size %d WQ cur size %d, WQE index 0x%x, len: %zu\n",
> >               mlx5_wq_cyc_get_size(wq), wq->cur_sz, ix, len);
> >       print_hex_dump(KERN_WARNING, "", DUMP_PREFIX_OFFSET, 16, 1, wqe, len, false);
> >  }
>
> One might expect these 2 outputs to be at the same KERN_<LEVEL> too.
> One is KERN_INFO the other KERN_WARNING

Sure, but I'll leave that up to the driver maintainers to decide/fix
-- I'm just addressing the type warning here.


-Olof