Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit e9e4433e authored by Salym Senyonga's avatar Salym Senyonga Committed by Greg Kroah-Hartman
Browse files

Staging: ozwpan: Fix null dereference 



If net_dev is NULL memcpy() will Oops.

Signed-off-by: default avatarSalym Senyonga <salymsash@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent d1fd43d7

drivers/staging/ozwpan/ozproto.c

+2 −1
Original line number Diff line number Diff line
@@ -668,8 +668,8 @@ void oz_binding_add(const char *net_dev) 
	if (binding) {

		binding->ptype.type = __constant_htons(OZ_ETHERTYPE);

		binding->ptype.func = oz_pkt_recv;

		memcpy(binding->name, net_dev, OZ_MAX_BINDING_LEN);

		if (net_dev && *net_dev) {

			memcpy(binding->name, net_dev, OZ_MAX_BINDING_LEN);

			oz_dbg(ON, "Adding binding: %s\n", net_dev);

			binding->ptype.dev =

				dev_get_by_name(&init_net, net_dev);
@@ -680,6 +680,7 @@ void oz_binding_add(const char *net_dev) 
			}

		} else {

			oz_dbg(ON, "Binding to all netcards\n");

			memset(binding->name, 0, OZ_MAX_BINDING_LEN);

			binding->ptype.dev = NULL;

		}

		if (binding) {