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When doing a dump, if ENODEV is returned explain what happened to the user,

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"the device doesn't support a dump routine"

Only print "dump succeeded" when 0 is returned, instead of when an unexpected
error number is returned, print that error number.

Reviewed by: Eivind
This commit is contained in:
Alfred Perlstein 1999-08-11 14:02:20 +00:00
parent 175db64b3e
commit 59d5fe5a90
1 changed files with 13 additions and 3 deletions
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16
sys/kern/kern_shutdown.c
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@ -36,7 +36,7 @@
* SUCH DAMAGE.
*
* @(#)kern_shutdown.c 8.3 (Berkeley) 1/21/94
* $Id: kern_shutdown.c,v 1.57 1999/07/20 21:29:13 green Exp $
* $Id: kern_shutdown.c,v 1.58 1999/08/09 10:34:57 phk Exp $
*/
#include "opt_ddb.h"
@ -426,6 +426,7 @@ SYSCTL_PROC(_kern, KERN_DUMPDEV, dumpdev, CTLTYPE_OPAQUE|CTLFLAG_RW,
static void
dumpsys(void)
{
int error;
if (!dodump)
return;
@ -439,7 +440,16 @@ dumpsys(void)
printf("\ndumping to dev (%d,%d), offset %ld\n",
major(dumpdev), minor(dumpdev), dumplo);
printf("dump ");
switch ((*bdevsw(dumpdev)->d_dump)(dumpdev)) {
error = (*bdevsw(dumpdev)->d_dump)(dumpdev);
if (error == 0) {
printf("succeeded\n");
return;
}
printf("failed, reason: ");
switch (error) {
case ENODEV:
printf("device doesn't support a dump routine\n");
break;
case ENXIO:
printf("device bad\n");
@ -462,7 +472,7 @@ dumpsys(void)
break;
default:
printf("succeeded\n");
printf("unknown, error = %d\n", error);
break;
}
}