Re: [PATCH 09/19] mfd/twl4030: don't warn about uninitialized returncode

From: Samuel Ortiz
Date: Sat Jan 26 2013 - 19:41:51 EST


Hi Arnd,

On Fri, Jan 25, 2013 at 10:44:08PM +0000, Arnd Bergmann wrote:
> If the twl4030_write_script function gets called with
> a zero length argument, its return value does not
> get set. We know that all scripts have a nonzero
> length, but returning an error in case they ever
> do is probably appropriate.
>
> Without this patch, building omap2plus_defconfig results in:
>
> drivers/mfd/twl4030-power.c: In function 'load_twl4030_script':
> drivers/mfd/twl4030-power.c:414:5: error: 'err' may be used uninitialized in this function
>
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> Reviewed-by: Peter Ujfalusi <peter.ujfalusi@xxxxxx>
> Reviewed-by: Amit Kucheria <amit.kucheria@xxxxxxxxxx>
> Cc: Samuel Ortiz <sameo@xxxxxxxxxxxxxxx>
> Cc: Kevin Hilman <khilman@xxxxxxxxxxxxxxxxxxx>
> Cc: "Kristo, Tero" <t-kristo@xxxxxx>
> ---
> drivers/mfd/twl4030-power.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)

Applied to my for-linus branch, thanks.

Cheers,
Samuel.

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Intel Open Source Technology Centre
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