Commit e5da4ed8 authored Oct 07, 2009 by Steve Wise Committed by Roland Dreier Oct 07, 2009

RDMA/cxgb3: Handle NULL inetdev pointer in iwch_query_port()



in_dev_get() can return NULL.  If it does, iwch_query_port() will crash.
Handle the NULL case by mapping it to port state INIT.

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

parent 0eca52a9

drivers/infiniband/hw/cxgb3/iwch_provider.c

+7 −4

Original line number	Diff line number	Diff line
		@@ -1199,11 +1199,14 @@ static int iwch_query_port(struct ib_device *ibdev,
		props->state = IB_PORT_DOWN;
		else {
		inetdev = in_dev_get(netdev);
		if (inetdev) {
		if (inetdev->ifa_list)
		props->state = IB_PORT_ACTIVE;
		else
		props->state = IB_PORT_INIT;
		in_dev_put(inetdev);
		} else
		props->state = IB_PORT_INIT;
		}

		props->port_cap_flags =