staging: most: core: drop device reference

This patch drops the device reference added by function
bus_find_device_by_name.

Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
Link: https://lore.kernel.org/r/1579793906-5054-3-git-send-email-christian.gromm@microchip.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Author: cgro

drivers/staging/most/core.c

@@ -534,6 +534,7 @@ static struct most_channel *get_channel(char *mdev, char *mdev_ch)
 	dev = bus_find_device_by_name(&mc.bus, NULL, mdev);
 	if (!dev)
 		return NULL;
+	put_device(dev);
 	iface = dev_get_drvdata(dev);
 	list_for_each_entry_safe(c, tmp, &iface->p->channel_list, list) {
 		if (!strcmp(dev_name(&c->dev), mdev_ch))