osst: fix read buffer overflow

Check whether index is within bounds before testing the element.

Signed-off-by: Roel Kluin <[email protected]>
Cc: Willem Riede <[email protected]>
Cc: James E.J. Bottomley <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Roel Kluin 2010-08-10 18:01:10 -07:00 • committed by Linus Torvalds
commit ef3f7cc412

View file

@ -5868,7 +5868,8 @@ static int osst_probe(struct device *dev)
}
/* find a free minor number */
for (i=0; os_scsi_tapes[i] && i<osst_max_dev; i++);
for (i = 0; i < osst_max_dev && os_scsi_tapes[i]; i++)
;
if(i >= osst_max_dev) panic ("Scsi_devices corrupt (osst)");
dev_num = i;