Module Name: src Committed By: riastradh Date: Thu Mar 3 05:50:13 UTC 2022
Modified Files: src/sys/dev/usb: usbnet.c Log Message: usbnet: Assert ioctl locking. To generate a diff of this commit: cvs rdiff -u -r1.69 -r1.70 src/sys/dev/usb/usbnet.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/sys/dev/usb/usbnet.c diff -u src/sys/dev/usb/usbnet.c:1.69 src/sys/dev/usb/usbnet.c:1.70 --- src/sys/dev/usb/usbnet.c:1.69 Thu Mar 3 05:50:05 2022 +++ src/sys/dev/usb/usbnet.c Thu Mar 3 05:50:12 2022 @@ -1,4 +1,4 @@ -/* $NetBSD: usbnet.c,v 1.69 2022/03/03 05:50:05 riastradh Exp $ */ +/* $NetBSD: usbnet.c,v 1.70 2022/03/03 05:50:12 riastradh Exp $ */ /* * Copyright (c) 2019 Matthew R. Green @@ -31,7 +31,7 @@ */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: usbnet.c,v 1.69 2022/03/03 05:50:05 riastradh Exp $"); +__KERNEL_RCSID(0, "$NetBSD: usbnet.c,v 1.70 2022/03/03 05:50:12 riastradh Exp $"); #include <sys/param.h> #include <sys/kernel.h> @@ -161,11 +161,15 @@ uno_stop(struct usbnet *un, struct ifnet static int uno_ioctl(struct usbnet *un, struct ifnet *ifp, u_long cmd, void *data) { - /* - * There are cases where IFNET_LOCK will not be held when we - * are called (e.g. add/delete multicast address), so we can't - * assert it. - */ + + switch (cmd) { + case SIOCADDMULTI: + case SIOCDELMULTI: + break; + default: + KASSERTMSG(IFNET_LOCKED(ifp), "%s", ifp->if_xname); + } + if (un->un_ops->uno_ioctl) return (*un->un_ops->uno_ioctl)(ifp, cmd, data); return 0; @@ -174,7 +178,15 @@ uno_ioctl(struct usbnet *un, struct ifne static int uno_override_ioctl(struct usbnet *un, struct ifnet *ifp, u_long cmd, void *data) { - /* See above. */ + + switch (cmd) { + case SIOCADDMULTI: + case SIOCDELMULTI: + break; + default: + KASSERTMSG(IFNET_LOCKED(ifp), "%s", ifp->if_xname); + } + return (*un->un_ops->uno_override_ioctl)(ifp, cmd, data); }