Module Name: src
Committed By: riastradh
Date: Sat Oct 15 20:11:01 UTC 2022
Modified Files:
src/sys/dev/pci: pci_resource.c
Log Message:
pci_resource(9): vmem_create and vmem_add never fail with VM_SLEEP.
Prune dead error branches.
To generate a diff of this commit:
cvs rdiff -u -r1.1 -r1.2 src/sys/dev/pci/pci_resource.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/pci/pci_resource.c
diff -u src/sys/dev/pci/pci_resource.c:1.1 src/sys/dev/pci/pci_resource.c:1.2
--- src/sys/dev/pci/pci_resource.c:1.1 Fri Oct 14 22:10:15 2022
+++ src/sys/dev/pci/pci_resource.c Sat Oct 15 20:11:00 2022
@@ -1,4 +1,4 @@
-/* $NetBSD: pci_resource.c,v 1.1 2022/10/14 22:10:15 jmcneill Exp $ */
+/* $NetBSD: pci_resource.c,v 1.2 2022/10/15 20:11:00 riastradh Exp $ */
/*-
* Copyright (c) 2022 Jared McNeill <[email protected]>
@@ -35,7 +35,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: pci_resource.c,v 1.1 2022/10/14 22:10:15 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: pci_resource.c,v 1.2 2022/10/15 20:11:00 riastradh Exp $");
#include <sys/param.h>
#include <sys/bus.h>
@@ -161,17 +161,12 @@ static vmem_t *
pci_create_vmem(const char *name, bus_addr_t start, bus_addr_t end)
{
vmem_t *arena;
+ int error __diagused;
arena = vmem_create(name, 0, 0, 1, NULL, NULL, NULL, 0, VM_SLEEP,
IPL_NONE);
- if (arena == NULL) {
- return NULL;
- }
-
- if (vmem_add(arena, start, end - start + 1, VM_SLEEP) != 0) {
- vmem_destroy(arena);
- arena = NULL;
- }
+ error = vmem_add(arena, start, end - start + 1, VM_SLEEP);
+ KASSERTMSG(error == 0, "error=%d", error);
return arena;
}
