diff --git a/net/qrtr/qrtr.c b/net/qrtr/qrtr.c index edb6ac17ceca..6361f169490e 100644 --- a/net/qrtr/qrtr.c +++ b/net/qrtr/qrtr.c @@ -722,17 +722,23 @@ static int qrtr_port_assign(struct qrtr_sock *ipc, int *port) mutex_lock(&qrtr_port_lock); if (!*port) { min_port = QRTR_MIN_EPH_SOCKET; + idr_preload(GFP_ATOMIC); rc = idr_alloc_u32(&qrtr_ports, ipc, &min_port, QRTR_MAX_EPH_SOCKET, GFP_ATOMIC); + idr_preload_end(); if (!rc) *port = min_port; } else if (*port < QRTR_MIN_EPH_SOCKET && !capable(CAP_NET_ADMIN)) { rc = -EACCES; } else if (*port == QRTR_PORT_CTRL) { min_port = 0; + idr_preload(GFP_ATOMIC); rc = idr_alloc_u32(&qrtr_ports, ipc, &min_port, 0, GFP_ATOMIC); + idr_preload_end(); } else { min_port = *port; + idr_preload(GFP_ATOMIC); rc = idr_alloc_u32(&qrtr_ports, ipc, &min_port, *port, GFP_ATOMIC); + idr_preload_end(); if (!rc) *port = min_port; }