Christophe JAILLET 3988d663c0 gpiolib: Fix a WARN_ON that can never trigger
"if (!x) WARN_ON(x)" can never trigger.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2017-01-31 15:44:16 +01:00
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