git: cfb8cc9c5fa9 - stable/14 - acpi: Don't assume a resource is reserved in acpi_delete_resource

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);
 }