Module Name: src Committed By: riastradh Date: Mon Mar 31 14:45:57 UTC 2025
Modified Files: src/sys/arch/mips/ralink: ralink_ehci.c src/sys/dev/cardbus: ehci_cardbus.c src/sys/dev/pci: usb_pci.c Log Message: ehci(4): Make usb_*_rem work as noop on zero-initialized input. This way, if some *hci_attach function fails before usb_*_add, the caller need not maintain boolean state to decide whether to call usb_*_rem on detach -- it'll just work without extra effort. Cleanup in preparation for: PR port-amd64/59180: System reboots instead of shutting down To generate a diff of this commit: cvs rdiff -u -r1.10 -r1.11 src/sys/arch/mips/ralink/ralink_ehci.c cvs rdiff -u -r1.38 -r1.39 src/sys/dev/cardbus/ehci_cardbus.c cvs rdiff -u -r1.8 -r1.9 src/sys/dev/pci/usb_pci.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/arch/mips/ralink/ralink_ehci.c diff -u src/sys/arch/mips/ralink/ralink_ehci.c:1.10 src/sys/arch/mips/ralink/ralink_ehci.c:1.11 --- src/sys/arch/mips/ralink/ralink_ehci.c:1.10 Mon Mar 31 14:45:35 2025 +++ src/sys/arch/mips/ralink/ralink_ehci.c Mon Mar 31 14:45:57 2025 @@ -1,4 +1,4 @@ -/* $NetBSD: ralink_ehci.c,v 1.10 2025/03/31 14:45:35 riastradh Exp $ */ +/* $NetBSD: ralink_ehci.c,v 1.11 2025/03/31 14:45:57 riastradh Exp $ */ /*- * Copyright (c) 2011 CradlePoint Technology, Inc. * All rights reserved. @@ -29,7 +29,7 @@ /* ralink_ehci.c -- Ralink EHCI USB Driver */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: ralink_ehci.c,v 1.10 2025/03/31 14:45:35 riastradh Exp $"); +__KERNEL_RCSID(0, "$NetBSD: ralink_ehci.c,v 1.11 2025/03/31 14:45:57 riastradh Exp $"); #include <sys/param.h> #include <sys/bus.h> @@ -217,5 +217,6 @@ ralink_usb_hc_rem(struct ralink_usb_hc * KASSERT(KERNEL_LOCKED_P()); /* XXXSMP ralink_usb_alldevs */ - TAILQ_REMOVE(&ralink_usb_alldevs, ruh, next); + if (ruh->usb) + TAILQ_REMOVE(&ralink_usb_alldevs, ruh, next); } Index: src/sys/dev/cardbus/ehci_cardbus.c diff -u src/sys/dev/cardbus/ehci_cardbus.c:1.38 src/sys/dev/cardbus/ehci_cardbus.c:1.39 --- src/sys/dev/cardbus/ehci_cardbus.c:1.38 Mon Mar 31 14:45:35 2025 +++ src/sys/dev/cardbus/ehci_cardbus.c Mon Mar 31 14:45:57 2025 @@ -1,4 +1,4 @@ -/* $NetBSD: ehci_cardbus.c,v 1.38 2025/03/31 14:45:35 riastradh Exp $ */ +/* $NetBSD: ehci_cardbus.c,v 1.39 2025/03/31 14:45:57 riastradh Exp $ */ /* * Copyright (c) 1998 The NetBSD Foundation, Inc. @@ -31,7 +31,7 @@ */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: ehci_cardbus.c,v 1.38 2025/03/31 14:45:35 riastradh Exp $"); +__KERNEL_RCSID(0, "$NetBSD: ehci_cardbus.c,v 1.39 2025/03/31 14:45:57 riastradh Exp $"); #include <sys/param.h> #include <sys/systm.h> @@ -248,5 +248,6 @@ usb_cardbus_rem(struct usb_cardbus *up) KASSERT(KERNEL_LOCKED_P()); /* XXXSMP ehci_cardbus_alldevs */ - TAILQ_REMOVE(&ehci_cardbus_alldevs, up, next); + if (up->usb) + TAILQ_REMOVE(&ehci_cardbus_alldevs, up, next); } Index: src/sys/dev/pci/usb_pci.c diff -u src/sys/dev/pci/usb_pci.c:1.8 src/sys/dev/pci/usb_pci.c:1.9 --- src/sys/dev/pci/usb_pci.c:1.8 Mon Mar 31 14:45:35 2025 +++ src/sys/dev/pci/usb_pci.c Mon Mar 31 14:45:57 2025 @@ -1,4 +1,4 @@ -/* $NetBSD: usb_pci.c,v 1.8 2025/03/31 14:45:35 riastradh Exp $ */ +/* $NetBSD: usb_pci.c,v 1.9 2025/03/31 14:45:57 riastradh Exp $ */ /* * Copyright (c) 2001, 2002 The NetBSD Foundation, Inc. @@ -30,7 +30,7 @@ */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: usb_pci.c,v 1.8 2025/03/31 14:45:35 riastradh Exp $"); +__KERNEL_RCSID(0, "$NetBSD: usb_pci.c,v 1.9 2025/03/31 14:45:57 riastradh Exp $"); #include <sys/param.h> #include <sys/kernel.h> @@ -71,5 +71,6 @@ usb_pci_rem(struct usb_pci *up) KASSERT(KERNEL_LOCKED_P()); /* XXXSMP ehci_pci_alldevs */ - TAILQ_REMOVE(&ehci_pci_alldevs, up, next); + if (up->usb) + TAILQ_REMOVE(&ehci_pci_alldevs, up, next); }