Commit cc555759 authored by Varun Prakash's avatar Varun Prakash Committed by Martin K. Petersen
Browse files

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



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>
parent 8acf608e

drivers/scsi/cxgbi/libcxgbi.c

+4 −0
Original line number Diff line number Diff line
@@ -639,6 +639,10 @@ cxgbi_check_route(struct sockaddr *dst_addr, int ifindex) 


	if (ndev->flags & IFF_LOOPBACK) {

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

		if (!ndev) {

			err = -ENETUNREACH;

			goto rel_neigh;

		}

		mtu = ndev->mtu;

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

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