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Check for dumpdev being NODEV. If so, exit silently, unless verbose is on.

This commit is contained in:
pk 1993-12-08 16:43:16 +00:00
parent 4bb077c003
commit 6a51809ffe
1 changed files with 6 additions and 1 deletions
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7
sbin/savecore/savecore.c
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@ -39,7 +39,7 @@ char copyright[] =
#ifndef lint
/*static char sccsid[] = "from: @(#)savecore.c 5.26 (Berkeley) 4/8/91";*/
static char rcsid[] = "$Id: savecore.c,v 1.4 1993/08/01 18:24:08 mycroft Exp $";
static char rcsid[] = "$Id: savecore.c,v 1.5 1993/12/08 16:43:16 pk Exp $";
#endif /* not lint */
#include <sys/param.h>
@ -296,6 +296,11 @@ read_kmem()
kmem = Open(_PATH_KMEM, O_RDONLY);
Lseek(kmem, (long)current_nl[X_DUMPDEV].n_value, L_SET);
Read(kmem, (char *)&dumpdev, sizeof (dumpdev));
if (dumpdev == NODEV) {
if (verbose)
printf("dumpdev = NODEV\n");
exit(2);
}
Lseek(kmem, (long)current_nl[X_DUMPLO].n_value, L_SET);
Read(kmem, (char *)&dumplo, sizeof (dumplo));
if (verbose)