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Fix potential panic by illegal increment of wfdnlun.

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Submitted by:	chi@bd.mbn.or.jp (Chiharu Shibata)
Reviewed by:	Junichi Satoh <junichi@astec.co.jp> (the original author)
This commit is contained in:
Yoshihiro Takahashi 1999-10-27 12:40:20 +00:00
parent ed52f174ee
commit ad940a43b0
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=52565
2 changed files with 6 additions and 4 deletions
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5
sys/i386/isa/wfd.c
View File

@ -192,7 +192,7 @@ wfdattach (struct atapi *ata, int unit, struct atapi_params *ap, int debug)
bufq_init(&t->buf_queue);
t->ata = ata;
t->unit = unit;
lun = t->lun = wfdnlun++;
lun = t->lun = wfdnlun;
t->param = ap;
t->flags = F_MEDIA_CHANGED;
t->refcnt = 0;
@ -251,10 +251,11 @@ wfdattach (struct atapi *ata, int unit, struct atapi_params *ap, int debug)
* Export the drive to the devstat interface.
*/
devstat_add_entry(&t->device_stats, "wfd",
wfdnlun, t->cap.sector_size,
t->lun, t->cap.sector_size,
DEVSTAT_NO_ORDERED_TAGS,
DEVSTAT_TYPE_FLOPPY | DEVSTAT_TYPE_IF_IDE,
DEVSTAT_PRIORITY_WFD);
wfdnlun++;
return (1);
}

5
sys/pc98/pc98/wfd.c
View File

@ -192,7 +192,7 @@ wfdattach (struct atapi *ata, int unit, struct atapi_params *ap, int debug)
bufq_init(&t->buf_queue);
t->ata = ata;
t->unit = unit;
lun = t->lun = wfdnlun++;
lun = t->lun = wfdnlun;
t->param = ap;
t->flags = F_MEDIA_CHANGED;
t->refcnt = 0;
@ -251,10 +251,11 @@ wfdattach (struct atapi *ata, int unit, struct atapi_params *ap, int debug)
* Export the drive to the devstat interface.
*/
devstat_add_entry(&t->device_stats, "wfd",
wfdnlun, t->cap.sector_size,
t->lun, t->cap.sector_size,
DEVSTAT_NO_ORDERED_TAGS,
DEVSTAT_TYPE_FLOPPY | DEVSTAT_TYPE_IF_IDE,
DEVSTAT_PRIORITY_WFD);
wfdnlun++;
return (1);
}