staging: cs5535_gpio: check put_user() return code
put_user() may fail, if so return -EFAULT. Signed-off-by:Vasiliy Kulikov <segoon@openwall.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@suse.de>
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put_user() may fail, if so return -EFAULT. Signed-off-by:Vasiliy Kulikov <segoon@openwall.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@suse.de>