From: Mauro Carvalho Chehab <mchehab@kernel.org>
To: Ashish Kalra <eashishkalra@gmail.com>
Cc: Sakari Ailus <sakari.ailus@linux.intel.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-media@vger.kernel.org, devel@driverdev.osuosl.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] media: atomisp: silence "dubious: !x | !y" warning
Date: Sat, 17 Apr 2021 20:56:13 +0200 [thread overview]
Message-ID: <20210417205613.5c1aac74@coco.lan> (raw)
In-Reply-To: <20210417153627.GA50228@ashish-NUC8i5BEH>
Em Sat, 17 Apr 2021 21:06:27 +0530
Ashish Kalra <eashishkalra@gmail.com> escreveu:
> Upon running sparse, "warning: dubious: !x | !y" is brought to notice
> for this file. Logical and bitwise OR are basically the same in this
> context so it doesn't cause a runtime bug. But let's change it to
> logical OR to make it cleaner and silence the Sparse warning.
>
> Signed-off-by: Ashish Kalra <eashishkalra@gmail.com>
> ---
> .../media/atomisp/pci/isp/kernels/vf/vf_1.0/ia_css_vf.host.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/staging/media/atomisp/pci/isp/kernels/vf/vf_1.0/ia_css_vf.host.c b/drivers/staging/media/atomisp/pci/isp/kernels/vf/vf_1.0/ia_css_vf.host.c
> index 358cb7d2cd4c..3b850bb2d39d 100644
> --- a/drivers/staging/media/atomisp/pci/isp/kernels/vf/vf_1.0/ia_css_vf.host.c
> +++ b/drivers/staging/media/atomisp/pci/isp/kernels/vf/vf_1.0/ia_css_vf.host.c
> @@ -58,7 +58,7 @@ sh_css_vf_downscale_log2(
> unsigned int ds_log2 = 0;
> unsigned int out_width;
>
> - if ((!out_info) | (!vf_info))
> + if ((!out_info) || (!vf_info))
While here, please get rid of the unneeded parenthesis:
if (!out_info || !vf_info)
> return -EINVAL;
>
> out_width = out_info->res.width;
Thanks,
Mauro
next prev parent reply other threads:[~2021-04-17 18:56 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-17 15:36 [PATCH] media: atomisp: silence "dubious: !x | !y" warning Ashish Kalra
2021-04-17 18:56 ` Mauro Carvalho Chehab [this message]
2021-04-17 21:31 ` David Laight
2021-04-18 1:15 ` Ashish Kalra
2021-04-18 21:59 ` Luc Van Oostenryck
2021-04-20 10:27 ` Dan Carpenter
2021-04-20 10:36 ` David Laight
2021-04-18 1:26 ` Ashish Kalra
2021-04-20 12:04 ` Hans Verkuil
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