From: Mika Westerberg <mika.westerberg@linux.intel.com>
To: Arnd Bergmann <arnd@kernel.org>
Cc: Andreas Noever <andreas.noever@gmail.com>,
Michael Jamet <michael.jamet@intel.com>,
Yehezkel Bernat <YehezkelShB@gmail.com>,
Arnd Bergmann <arnd@arndb.de>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Isaac Hazan <isaac.hazan@intel.com>,
Lee Jones <lee.jones@linaro.org>,
Rikard Falkeborn <rikard.falkeborn@gmail.com>,
linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] thunderbolt: fix -Wrestrict warning
Date: Tue, 28 Sep 2021 12:32:32 +0300 [thread overview]
Message-ID: <YVLhMNdk0TkURA89@lahna> (raw)
In-Reply-To: <20210927131620.1587294-1-arnd@kernel.org>
On Mon, Sep 27, 2021 at 03:16:11PM +0200, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@arndb.de>
>
> gcc-11 warns when building with W=1:
>
> drivers/thunderbolt/xdomain.c: In function 'modalias_show':
> drivers/thunderbolt/xdomain.c:733:16: error: 'sprintf' argument 3 overlaps destination object 'buf' [-Werror=restrict]
> 733 | return sprintf(buf, "%s\n", buf);
> | ^~~~~~~~~~~~~~~~~~~~~~~~~
> drivers/thunderbolt/xdomain.c:727:36: note: destination object referenced by 'restrict'-qualified argument 1 was declared here
> 727 | char *buf)
> | ~~~~~~^~~
>
> There is no need for the sprintf() here when a strcat() does
> the same thing.
>
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Applied, thanks!
prev parent reply other threads:[~2021-09-28 9:32 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-27 13:16 [PATCH] thunderbolt: fix -Wrestrict warning Arnd Bergmann
2021-09-28 9:32 ` Mika Westerberg [this message]
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