[src/trunk]: src/sys/arch/i386/stand/lib In biosdisk_findpartition() check if...

[simonb <simonb%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/61676984523b
branches:  trunk
changeset: 1029225:61676984523b
user:      simonb <simonb%NetBSD.org@localhost>
date:      Tue Dec 28 00:37:16 2021 +0000

description:
In biosdisk_findpartition() check if part_name isn't NULL before
assigning *part_name.

Thanks to manu@ for the pointer.

diffstat:

 sys/arch/i386/stand/lib/biosdisk.c |  8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)

diffs (29 lines):

diff -r 56abb53f86e8 -r 61676984523b sys/arch/i386/stand/lib/biosdisk.c
--- a/sys/arch/i386/stand/lib/biosdisk.c        Tue Dec 28 00:34:30 2021 +0000
+++ b/sys/arch/i386/stand/lib/biosdisk.c        Tue Dec 28 00:37:16 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: biosdisk.c,v 1.56 2021/12/28 00:34:30 simonb Exp $     */
+/*     $NetBSD: biosdisk.c,v 1.57 2021/12/28 00:37:16 simonb Exp $     */
 
 /*
  * Copyright (c) 1996, 1998
@@ -1028,7 +1028,8 @@
 {
 #if defined(NO_DISKLABEL) && defined(NO_GPT)
        *partition = 0;
-       *part_name = NULL;
+       if (part_name)
+               *part_name = NULL;
        return 0;
 #else
        int i;
@@ -1047,7 +1048,8 @@
 
        /* default to first partition */
        *partition = 0;
-       *part_name = NULL;
+       if (part_name)
+               *part_name = NULL;
 
        /* Look for netbsd partition that is the dos boot one */
        d = alloc_biosdisk(biosdev);