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-rw-r--r--sys/scsi/sd.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/sys/scsi/sd.c b/sys/scsi/sd.c
index f30df75377c5..ac375435bda1 100644
--- a/sys/scsi/sd.c
+++ b/sys/scsi/sd.c
@@ -14,7 +14,7 @@
*
* Ported to run under 386BSD by Julian Elischer (julian@dialix.oz.au) Sept 1992
*
- * $Id: sd.c,v 1.39 1994/10/31 23:45:40 phk Exp $
+ * $Id: sd.c,v 1.40 1994/11/03 18:20:15 joerg Exp $
*/
#define SPLSD splbio
@@ -221,6 +221,12 @@ sdattach(sc_link)
* request must specify this.
*/
sd_get_parms(unit, SCSI_NOSLEEP | SCSI_NOMASK);
+ /*
+ * if we don't have actual parameters, assume 512 bytes/sec
+ * (could happen on removable media - MOD)
+ * -- this avoids the division below from falling over
+ */
+ if(dp->secsiz == 0) dp->secsiz = 512;
printf("sd%ld: %ldMB (%ld total sec), %d cyl, %d head, %d sec, bytes/sec %d\n",
unit,
dp->disksize / ((1024L * 1024L) / dp->secsiz),