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

Commit 214c5933 authored by Varun Prakash's avatar Varun Prakash Committed by Greg Kroah-Hartman
Browse files

scsi: libcxgbi: add a check for NULL pointer in cxgbi_check_route() 



[ Upstream commit cc555759117e8349088e0c5d19f2f2a500bafdbd ]

ip_dev_find() can return NULL so add a check for NULL pointer.

Signed-off-by: default avatarVarun Prakash <varun@chelsio.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent 7b9e1094

drivers/scsi/cxgbi/libcxgbi.c

+4 −0
Original line number Original line Diff line number Diff line
@@ -641,6 +641,10 @@ cxgbi_check_route(struct sockaddr *dst_addr, int ifindex) 




	if (ndev->flags & IFF_LOOPBACK) {

	if (ndev->flags & IFF_LOOPBACK) {

		ndev = ip_dev_find(&init_net, daddr->sin_addr.s_addr);

		ndev = ip_dev_find(&init_net, daddr->sin_addr.s_addr);

		if (!ndev) {

			err = -ENETUNREACH;

			goto rel_neigh;

		}

		mtu = ndev->mtu;

		mtu = ndev->mtu;

		pr_info("rt dev %s, loopback -> %s, mtu %u.\n",

		pr_info("rt dev %s, loopback -> %s, mtu %u.\n",

			n->dev->name, ndev->name, mtu);

			n->dev->name, ndev->name, mtu);