linux-kernel - Re: [PATCH 2/2] compat_hdio

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Message-ID: <75d229f8-347f-417e-a101-a6994be073a6@kernel.dk>
Date:   Thu, 24 Aug 2017 08:40:39 -0600
From:   Jens Axboe <axboe@...nel.dk>
To:     Bart Van Assche <bart.vanassche@....com>,
        Al Viro <viro@...iv.linux.org.uk>
Cc:     linux-block@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] compat_hdio_ioctl: Fix a declaration

On 08/23/2017 04:29 PM, Bart Van Assche wrote:
> This patch avoids that sparse reports the following warning messages:
> 
> block/compat_ioctl.c:85:11: warning: incorrect type in assignment (different address spaces)
> block/compat_ioctl.c:85:11:    expected unsigned long *[noderef] <asn:1>p
> block/compat_ioctl.c:85:11:    got void [noderef] <asn:1>*
> block/compat_ioctl.c:91:21: warning: incorrect type in argument 1 (different address spaces)
> block/compat_ioctl.c:91:21:    expected void const volatile [noderef] <asn:1>*<noident>
> block/compat_ioctl.c:91:21:    got unsigned long *[noderef] <asn:1>p
> block/compat_ioctl.c:87:53: warning: dereference of noderef expression
> block/compat_ioctl.c:91:21: warning: dereference of noderef expression

Applied for 4.14, thanks Bart.

-- 
Jens Axboe