From: Jani Nikula Date: Fri, 8 Jan 2010 22:43:03 +0000 (-0800) Subject: gpiolib: fix poll(2) support reconfigure on sysfs polarity change X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=24f3c59e1781435835083eab587399c8bdc235b4;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git gpiolib: fix poll(2) support reconfigure on sysfs polarity change Previously enabled poll(2) support on one edge was never reconfigured when sysfs polarity change was triggered from kernel, because 'struct device *dev' shadowed an earlier definition. Found by sparse, which I should've run much earlier. Signed-off-by: Jani Nikula Cc: David Brownell Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index a25ad284a272..350842ad3632 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -858,8 +858,6 @@ int gpio_sysfs_set_active_low(unsigned gpio, int value) desc = &gpio_desc[gpio]; if (test_bit(FLAG_EXPORT, &desc->flags)) { - struct device *dev; - dev = class_find_device(&gpio_class, NULL, desc, match_export); if (dev == NULL) { status = -ENODEV;