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osst: fix read buffer overflow 

Check whether index is within bounds before testing the element.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Cc: Willem Riede <osst@riede.org>
Cc: James E.J. Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Roel Kluin 2010-08-10 18:01:10 -07:00 committed by Linus Torvalds
parent 13bcbc0087
commit ef3f7cc412
1 changed files with 2 additions and 1 deletions
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3
drivers/scsi/osst.c
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@ -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;