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Date:   Wed, 18 Mar 2020 13:05:31 +1100
From:   Stephen Rothwell <sfr@canb.auug.org.au>
To:     Doug Ledford <dledford@redhat.com>,
        Jason Gunthorpe <jgg@mellanox.com>
Cc:     Leon Romanovsky <leon@kernel.org>,
        Linux Next Mailing List <linux-next@vger.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Saeed Mahameed <saeedm@mellanox.com>
Subject: Re: linux-next: build warning after merge of the mlx5-next tree
Message-ID: <20200318130531.1df149c7@canb.auug.org.au>
In-Reply-To: <20200316103913.659d3a5e@canb.auug.org.au>
References: <20200316103913.659d3a5e@canb.auug.org.au>
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Hi all,

On Mon, 16 Mar 2020 10:39:13 +1100 Stephen Rothwell <sfr@canb.auug.org.au> =
wrote:
>
> Hi all,
>=20
> After merging the mlx5-next tree, today's linux-next build (x86_64
> allmodconfig) produced this warning:
>=20
> In file included from include/linux/printk.h:331,
>                  from include/linux/kernel.h:15,
>                  from drivers/net/ethernet/mellanox/mlx5/core/mr.c:33:
> drivers/net/ethernet/mellanox/mlx5/core/mr.c: In function 'mlx5_core_crea=
te_mkey':
> include/linux/dynamic_debug.h:157:25: warning: 'key' may be used uninitia=
lized in this function [-Wmaybe-uninitialized]
>   157 |  _dynamic_func_call(fmt,__dynamic_dev_dbg,   \
>       |                         ^~~~~~~~~~~~~~~~~
> drivers/net/ethernet/mellanox/mlx5/core/mr.c:47:5: note: 'key' was declar=
ed here
>    47 |  u8 key;
>       |     ^~~
>=20
> Probably introduced by commit
>=20
>   fc6a9f86f08a ("{IB,net}/mlx5: Assign mkey variant in mlx5_ib only")

This warning now appears in the rdma tree.

--=20
Cheers,
Stephen Rothwell

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