linux-kernel - Re: [PATCH] clk: st: avoid uninitialized variable use

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Message-ID: <20151120185932.GW32672@codeaurora.org>
Date:	Fri, 20 Nov 2015 10:59:32 -0800
From:	Stephen Boyd <sboyd@...eaurora.org>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	Michael Turquette <mturquette@...libre.com>,
	Gabriel Fernandez <gabriel.fernandez@...aro.org>,
	Pankaj Dev <pankaj.dev@...com>, linux-clk@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	kernel@...inux.com, Maxime Coquelin <maxime.coquelin@...com>,
	Srinivas Kandagatla <srinivas.kandagatla@...il.com>,
	Patrice Chotard <patrice.chotard@...com>
Subject: Re: [PATCH] clk: st: avoid uninitialized variable use

On 11/12, Arnd Bergmann wrote:
> quadfs_pll_fs660c32_round_rate prints a few structure members
> that are never initialized, and also doesn't print the only one
> it cares about. We get a gcc warning about the ones that
> are printed:
> 
> clk/st/clkgen-fsyn.c:560:93: warning: 'params.sdiv' may be used uninitialized in this function
> clk/st/clkgen-fsyn.c:560:93: warning: 'params.mdiv' may be used uninitialized in this function
> clk/st/clkgen-fsyn.c:560:93: warning: 'params.pe' may be used uninitialized in this function
> clk/st/clkgen-fsyn.c:560:93: warning: 'params.nsdiv' may be used uninitialized in this function
> 
> This changes the code to no longer print uninitialized data, and
> for good measure it also prints the ndiv member that is being
> set.
> 
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> Fixes: 5f7aa9071e93 ("clk: st: Support for QUADFS inside ClockGenB/C/D/E/F")
> 
> diff --git a/drivers/clk/st/clkgen-fsyn.c b/drivers/clk/st/clkgen-fsyn.c
> index 576cd0354d48..ccb324d97160 100644
> --- a/drivers/clk/st/clkgen-fsyn.c

Applied to clk-next

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