From 394569928e2f17dff4ae367ac700048138e318c7 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Sat, 23 Apr 2016 04:02:05 -0300 Subject: Linux-libre 4.5.2-gnu --- drivers/hwmon/max1111.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'drivers/hwmon') diff --git a/drivers/hwmon/max1111.c b/drivers/hwmon/max1111.c index 36544c4f6..303d0c9df 100644 --- a/drivers/hwmon/max1111.c +++ b/drivers/hwmon/max1111.c @@ -85,6 +85,9 @@ static struct max1111_data *the_max1111; int max1111_read_channel(int channel) { + if (!the_max1111 || !the_max1111->spi) + return -ENODEV; + return max1111_read(&the_max1111->spi->dev, channel); } EXPORT_SYMBOL(max1111_read_channel); @@ -258,6 +261,9 @@ static int max1111_remove(struct spi_device *spi) { struct max1111_data *data = spi_get_drvdata(spi); +#ifdef CONFIG_SHARPSL_PM + the_max1111 = NULL; +#endif hwmon_device_unregister(data->hwmon_dev); sysfs_remove_group(&spi->dev.kobj, &max1110_attr_group); sysfs_remove_group(&spi->dev.kobj, &max1111_attr_group); -- cgit v1.2.3-54-g00ecf