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authorMark Brown <broonie@kernel.org>2016-05-04 14:41:51 +0100
committerMark Brown <broonie@kernel.org>2016-05-04 14:41:51 +0100
commit3d277b177918cd26215732fc23af0783ab4b37dd (patch)
tree2033b4f517415e9e68eb066fa073b79a3884e03d /drivers/hwmon/max1111.c
parentf55532a0c0b8bb6148f4e07853b876ef73bc69ca (diff)
parent02da2d72174c61988eb4456b53f405e3ebdebce4 (diff)
downloadlinux-3d277b177918cd26215732fc23af0783ab4b37dd.tar.bz2
Merge tag 'v4.6-rc5' into spi-rockchip
Linux 4.6-rc5
Diffstat (limited to 'drivers/hwmon/max1111.c')
-rw-r--r--drivers/hwmon/max1111.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/hwmon/max1111.c b/drivers/hwmon/max1111.c
index 36544c4f653c..303d0c9df907 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);