Date: Mon, 8 Apr 2024 19:04:34 GMT From: John Baldwin <jhb@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: cfb8cc9c5fa9 - stable/14 - acpi: Don't assume a resource is reserved in acpi_delete_resource Message-ID: <202404081904.438J4Yns094507@gitrepo.freebsd.org>
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The branch stable/14 has been updated by jhb: URL: https://cgit.FreeBSD.org/src/commit/?id=cfb8cc9c5fa942ef51d3738851efd63ba0aeaccd commit cfb8cc9c5fa942ef51d3738851efd63ba0aeaccd Author: John Baldwin <jhb@FreeBSD.org> AuthorDate: 2024-02-14 22:07:32 +0000 Commit: John Baldwin <jhb@FreeBSD.org> CommitDate: 2024-04-08 17:55:58 +0000 acpi: Don't assume a resource is reserved in acpi_delete_resource This fixes a panic if a driver uses bus_set_resource to add a resource that fails to reserve and then deletes the resource via bus_delete_resource. Reviewed by: imp Differential Revision: https://reviews.freebsd.org/D43891 (cherry picked from commit e05436d577de98944b97b9cf510b29c4d2091b3f) --- sys/dev/acpica/acpi.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/sys/dev/acpica/acpi.c b/sys/dev/acpica/acpi.c index 955c2b71b5ec..0894f4464162 100644 --- a/sys/dev/acpica/acpi.c +++ b/sys/dev/acpica/acpi.c @@ -1619,7 +1619,8 @@ acpi_delete_resource(device_t bus, device_t child, int type, int rid) " (type=%d, rid=%d)\n", type, rid); return; } - resource_list_unreserve(rl, bus, child, type, rid); + if (resource_list_reserved(rl, type, rid)) + resource_list_unreserve(rl, bus, child, type, rid); resource_list_delete(rl, type, rid); }
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