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pinctrl: pinctrl-imx: don't use invalid value of conf_reg
authorUwe Kleine-König <u.kleine-koenig@pengutronix.de>
Tue, 27 Jan 2015 22:50:25 +0000 (23:50 +0100)
committerLinus Walleij <linus.walleij@linaro.org>
Tue, 3 Feb 2015 12:57:52 +0000 (13:57 +0100)
commit4ff0f034e95d65f8f063a362dfcf86e986377a82
treee2da33517dab63060a49bf173b19eac0a80f9946tree | snapshot
parentfc0d8fda5080825760b8f2deeec655b3a588327ecommit | diff
pinctrl: pinctrl-imx: don't use invalid value of conf_reg

The right check for conf_reg to be invalid it testing against -1 not 0
as is done in the rest of the driver.

This fixes an oops that can be triggered by:

cat /sys/kernel/debug/pinctrl/43fac000.iomuxc/*

Fixes: ae75ff814538 ("pinctrl: pinctrl-imx: add imx pinctrl core driver")
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
drivers/pinctrl/freescale/pinctrl-imx.c diff | blob | history
Domain: System / Kernel;