Module Name: src
Committed By: tsutsui
Date: Tue May 31 15:24:59 UTC 2022
Modified Files:
src/sys/arch/atari/atari: stalloc.c
Log Message:
Restore NULL pointer checks lost in rev 1.16.
Fixes PR port-atari/56859, ok'ed mlelstv@, and confirmed on TT030.
Should be pulled up to netbsd-9 and netbsd-8.
To generate a diff of this commit:
cvs rdiff -u -r1.16 -r1.17 src/sys/arch/atari/atari/stalloc.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/atari/atari/stalloc.c
diff -u src/sys/arch/atari/atari/stalloc.c:1.16 src/sys/arch/atari/atari/stalloc.c:1.17
--- src/sys/arch/atari/atari/stalloc.c:1.16 Fri Jan 3 07:14:20 2014
+++ src/sys/arch/atari/atari/stalloc.c Tue May 31 15:24:59 2022
@@ -1,4 +1,4 @@
-/* $NetBSD: stalloc.c,v 1.16 2014/01/03 07:14:20 mlelstv Exp $ */
+/* $NetBSD: stalloc.c,v 1.17 2022/05/31 15:24:59 tsutsui Exp $ */
/*
* Copyright (c) 1995 Leo Weppelman (Atari modifications)
@@ -34,7 +34,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: stalloc.c,v 1.16 2014/01/03 07:14:20 mlelstv Exp $");
+__KERNEL_RCSID(0, "$NetBSD: stalloc.c,v 1.17 2022/05/31 15:24:59 tsutsui Exp $");
#include <sys/types.h>
#include <sys/param.h>
@@ -163,7 +163,7 @@ free_stmem(void *mem)
/*
* check ahead of us.
*/
- if (next->type == MNODE_FREE) {
+ if (next != NULL && next->type == MNODE_FREE) {
/*
* if next is: a valid node and a free node. ==> merge
*/
@@ -174,7 +174,7 @@ free_stmem(void *mem)
stmem_total += mn->size + sizeof(struct mem_node);
mn->size += next->size + sizeof(struct mem_node);
}
- if (prev->type == MNODE_FREE) {
+ if (prev != NULL && prev->type == MNODE_FREE) {
/*
* if prev is: a valid node and a free node. ==> merge
*/
