idr_find() may fail and return a NULL pointer. The fix checks the return value of the function and returns an error in case of NULL. Signed-off-by: Aditya Pakki <pakki001@xxxxxxx> --- drivers/infiniband/hw/qedr/qedr_iw_cm.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/infiniband/hw/qedr/qedr_iw_cm.c b/drivers/infiniband/hw/qedr/qedr_iw_cm.c index 505fa3648762..93b16237b767 100644 --- a/drivers/infiniband/hw/qedr/qedr_iw_cm.c +++ b/drivers/infiniband/hw/qedr/qedr_iw_cm.c @@ -492,6 +492,8 @@ int qedr_iw_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) int i; qp = idr_find(&dev->qpidr.idr, conn_param->qpn); + if (unlikely(!qp)) + return -EINVAL; laddr = (struct sockaddr_in *)&cm_id->m_local_addr; raddr = (struct sockaddr_in *)&cm_id->m_remote_addr; -- 2.17.1
