tree 838d42b5eb8cb93c3284649b8afe461a57cb1394
parent 163dc9f39a26b41fc49319fce4145b35f9705789
author Tony Lindgren <tony@atomide.com> 1441301670 -0700
committer Linus Walleij <linus.walleij@linaro.org> 1442214823 +0200

pinctrl: core: Warn about NULL gpio_chip in pinctrl_ready_for_gpio_range()

If the gpio driver is confused about the numbers for gpio-ranges,
pinctrl_ready_for_gpio_range() may get called with invalid GPIO
causing a NULL pointer exception. Let's instead provide a warning
that allows fixing the problem and return with error.

Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>