Commit b47b493d authored by Miaoqian Lin's avatar Miaoqian Lin Committed by Greg Kroah-Hartman
Browse files

most: core: Drop device reference after usage in get_channel() 



In get_channel(), the reference obtained by bus_find_device_by_name()
was dropped via put_device() before accessing the device's driver data
Move put_device() after usage to avoid potential issues.

Fixes: 24850553 ("staging: most: core: drop device reference")
Cc: stable <stable@kernel.org>
Signed-off-by: default avatarMiaoqian Lin <linmq006@gmail.com>
Link: https://lore.kernel.org/r/20250804082955.3621026-1-linmq006@gmail.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 7afba922

drivers/most/core.c

+1 −1
Original line number Diff line number Diff line
@@ -538,8 +538,8 @@ static struct most_channel *get_channel(char *mdev, char *mdev_ch) 
	dev = bus_find_device_by_name(&mostbus, NULL, mdev);

	if (!dev)

		return NULL;

	put_device(dev);

	iface = dev_get_drvdata(dev);

	put_device(dev);

	list_for_each_entry_safe(c, tmp, &iface->p->channel_list, list) {

		if (!strcmp(dev_name(&c->dev), mdev_ch))

			return c;