When using rping -c -a 0.0.0.0 with iw_cxgb4, the system crashes when rdma_connect is called. ip_dev_find will return NULL, but pdev is accessed anyway.
Checking that pdev is NULL and returning -ENODEV prevents the system from crashing. Signed-off-by: Thadeu Lima de Souza Cascardo <[email protected]> --- drivers/infiniband/hw/cxgb4/cm.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c index 92b4c2b..0e75e30 100644 --- a/drivers/infiniband/hw/cxgb4/cm.c +++ b/drivers/infiniband/hw/cxgb4/cm.c @@ -1572,6 +1572,10 @@ static int import_ep(struct c4iw_ep *ep, __be32 peer_ip, struct dst_entry *dst, struct net_device *pdev; pdev = ip_dev_find(&init_net, peer_ip); + if (!pdev) { + err = -ENODEV; + goto out; + } ep->l2t = cxgb4_l2t_get(cdev->rdev.lldi.l2t, n, pdev, 0); if (!ep->l2t) -- 1.7.4.4 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
