Messages in this thread | | | From | Linus Walleij <> | Date | Wed, 16 Nov 2016 20:54:10 +0100 | Subject | Re: [PATCH] pinctrl: sunxi: fix theoretical uninitialized variable access |
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On Wed, Nov 16, 2016 at 3:18 PM, Arnd Bergmann <arnd@arndb.de> wrote:
> gcc warns about a way that it could use an uninitialized variable: > > drivers/pinctrl/sunxi/pinctrl-sunxi.c: In function 'sunxi_pinctrl_init': > drivers/pinctrl/sunxi/pinctrl-sunxi.c:1191:8: error: 'best_div' may be used uninitialized in this function [-Werror=maybe-uninitialized] > > This cannot really happen except if 'freq' is UINT_MAX and 'clock' is > zero, and both of these are forbidden. To shut up the warning anyway, > this changes the logic to initialize the return code to the first > divider value before looking at the others. > > Fixes: 7c926492d38a ("pinctrl: sunxi: Add support for interrupt debouncing") > Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Patch applied.
Yours, Linus Walleij
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