[src/trunk]: src/sbin/dump Silently ignore fstab entries with NAME= entries t...

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

details:   https://anonhg.NetBSD.org/src/rev/23c8eb3c736f
branches:  trunk
changeset: 363901:23c8eb3c736f
user:      mlelstv <mlelstv%NetBSD.org@localhost>
date:      Mon Mar 14 18:38:11 2022 +0000

description:
Silently ignore fstab entries with NAME= entries that cannot be resolved.
Fixes PR 56249.

diffstat:

 sbin/dump/optr.c |  14 +++++++++-----
 1 files changed, 9 insertions(+), 5 deletions(-)

diffs (42 lines):

diff -r 32f35bfc32e0 -r 23c8eb3c736f sbin/dump/optr.c
--- a/sbin/dump/optr.c  Mon Mar 14 16:14:11 2022 +0000
+++ b/sbin/dump/optr.c  Mon Mar 14 18:38:11 2022 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: optr.c,v 1.43 2019/03/01 16:42:11 christos Exp $       */
+/*     $NetBSD: optr.c,v 1.44 2022/03/14 18:38:11 mlelstv Exp $        */
 
 /*-
  * Copyright (c) 1980, 1988, 1993
@@ -34,7 +34,7 @@
 #if 0
 static char sccsid[] = "@(#)optr.c     8.2 (Berkeley) 1/6/94";
 #else
-__RCSID("$NetBSD: optr.c,v 1.43 2019/03/01 16:42:11 christos Exp $");
+__RCSID("$NetBSD: optr.c,v 1.44 2022/03/14 18:38:11 mlelstv Exp $");
 #endif
 #endif /* not lint */
 
@@ -344,9 +344,10 @@
        new->fs_file = xstrdup(fs->fs_file);
        new->fs_type = xstrdup(fs->fs_type);
        new->fs_spec = xmalloc(FILENAME_MAX);
-       if (getfsspecname(new->fs_spec, FILENAME_MAX, fs->fs_spec) == NULL)
-               quite(errno, "can't resolve mount point %s (%s)",
-                   fs->fs_spec, new->fs_spec);
+       if (getfsspecname(new->fs_spec, FILENAME_MAX, fs->fs_spec) == NULL) {
+               free(new);
+               return NULL;
+       }
        new->fs_passno = fs->fs_passno;
        new->fs_freq = fs->fs_freq;
        return new;
@@ -384,6 +385,9 @@
                        continue;
 #endif
                fs = allocfsent(fs);
+               if (fs == NULL)
+                       continue;
+
                pf = (struct pfstab *)xmalloc(sizeof (*pf));
                pf->pf_fstab = fs;
                SLIST_INSERT_HEAD(&table, pf, pf_list);