Commit eec3546c authored May 12, 2017 by Andrey Shvetsov Committed by Greg Kroah-Hartman May 15, 2017

staging: most: use unsafe version of list traversing



The function get_net_dev_context does not remove elements of the list.
Hence, list traversing does not need to be secured.

This patch replaces list_for_each_entry_safe with the
list_for_each_entry.

Signed-off-by: Andrey Shvetsov <andrey.shvetsov@k2l.de>
Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent d35bbfaa

drivers/staging/most/aim-network/networking.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -290,11 +290,11 @@ static void most_net_rm_netdev_safe(struct net_dev_context *nd)
		static struct net_dev_context *get_net_dev_context(
		struct most_interface *iface)
		{
		struct net_dev_context nd, tmp;
		struct net_dev_context *nd;
		unsigned long flags;

		spin_lock_irqsave(&list_lock, flags);
		list_for_each_entry_safe(nd, tmp, &net_devices, list) {
		list_for_each_entry(nd, &net_devices, list) {
		if (nd->iface == iface) {
		spin_unlock_irqrestore(&list_lock, flags);
		return nd;