Re: [PATCH] gpiolib: Fix uninitialized variable warning

[Linus Walleij]

On Wed, Dec 23, 2015 at 10:46 PM, Ross Zwisler
<ross.zwisler@xxxxxxxxxxxxxxx> wrote:

> Commit ef7c7553039b ("gpiolib: improve overlap check of range of gpio")
> introduced the following compiler warning:
>
> drivers/gpio/gpiolib.c: In function âgpiochip_addâ:
> drivers/gpio/gpiolib.c:193:20: warning: âiteratorâ may be used uninitialized in this function [-Wmaybe-uninitialized]
>   struct gpio_chip *iterator;
>                     ^
>
> Fix this by initializing 'iterator' to NULL.
>
> Signed-off-by: Ross Zwisler <ross.zwisler@xxxxxxxxxxxxxxx>
> ---
>
> This was found in next-20151223.

Several people reported this and I was waiting for a proper
fix from Bamvor (as it is a false compile warning and doesn't
really indicate a real error) but now I'll apply this to
get rid of all the reports and patches filling my mailbox...

Merry Christmas!

Yours,
Linus Walleij
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