From: Jason Gunthorpe <jgg@ziepe.ca>
To: Jack Wang <jinpu.wang@ionos.com>
Cc: linux-rdma@vger.kernel.org, bvanassche@acm.org, leon@kernel.org,
dledford@redhat.com, haris.iqbal@ionos.com, gi-oh.kim@ionos.com
Subject: Re: [PATCH] RDMA/rtrs: Avoid Wtautological-constant-out-of-range-compare
Date: Mon, 31 May 2021 15:43:31 -0300 [thread overview]
Message-ID: <20210531184331.GL1096940@ziepe.ca> (raw)
In-Reply-To: <20210531122835.58329-1-jinpu.wang@ionos.com>
On Mon, May 31, 2021 at 02:28:35PM +0200, Jack Wang wrote:
> drivers/infiniband/ulp/rtrs/rtrs-clt.c:1786:19: warning: result of comparison of
> constant 'MAX_SESS_QUEUE_DEPTH' (65536) with expression of type 'u16'
> (aka 'unsigned short') is always false [-Wtautological-constant-out-of-range-compare]
>
> To fix it, limit MAX_SESS_QUEUE_DEPTH to u16 max, which is 65535, and
> drop the check in rtrs-clt, as it's the type u16 max.
>
> Signed-off-by: Jack Wang <jinpu.wang@ionos.com>
> ---
> drivers/infiniband/ulp/rtrs/rtrs-clt.c | 5 -----
> drivers/infiniband/ulp/rtrs/rtrs-pri.h | 4 ++--
> 2 files changed, 2 insertions(+), 7 deletions(-)
I kept the patch as is since the first hunk gets wonky conflicts if it
is squashed
Jason
next prev parent reply other threads:[~2021-05-31 18:43 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-31 12:28 [PATCH] RDMA/rtrs: Avoid Wtautological-constant-out-of-range-compare Jack Wang
2021-05-31 18:43 ` Jason Gunthorpe [this message]
2021-06-01 5:02 ` Jinpu Wang
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