in_dev_get() can return NULL. If it does, iwch_query_port() will crash. Handle the NULL case by mapping it to rdma state INIT.
Signed-off-by: Steve Wise <[email protected]> --- drivers/infiniband/hw/cxgb3/iwch_provider.c | 11 +++++++---- 1 files changed, 7 insertions(+), 4 deletions(-) diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c index 6895523..03cfaec 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_provider.c +++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c @@ -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->ifa_list) - props->state = IB_PORT_ACTIVE; - else + 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; - in_dev_put(inetdev); } props->port_cap_flags = -- 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
