Author: jhb
Date: Fri Oct 17 15:29:47 2014
New Revision: 273221
URL: https://svnweb.freebsd.org/changeset/base/273221
Log:
MFC 272182:
Don't panic if a resource is allocated twice. Instead, print a warning and
fail the allocation request. Allocations of "reserved" resources such as
PCI BARs already fail the request instead of panic'ing in this case.
Modified:
stable/9/sys/kern/subr_bus.c
Directory Properties:
stable/9/sys/ (props changed)
Changes in other areas also in this revision:
Modified:
stable/10/sys/kern/subr_bus.c
Directory Properties:
stable/10/ (props changed)
Modified: stable/9/sys/kern/subr_bus.c
==============================================================================
--- stable/9/sys/kern/subr_bus.c Fri Oct 17 15:07:04 2014
(r273220)
+++ stable/9/sys/kern/subr_bus.c Fri Oct 17 15:29:47 2014
(r273221)
@@ -3232,7 +3232,10 @@ resource_list_alloc(struct resource_list
rle->flags |= RLE_ALLOCATED;
return (rle->res);
}
- panic("resource_list_alloc: resource entry is busy");
+ device_printf(bus,
+ "resource entry %#x type %d for child %s is busy\n", *rid,
+ type, device_get_nameunit(child));
+ return (NULL);
}
if (isdefault) {
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