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| author | Roel Kluin <roel.kluin@gmail.com> | 2010-08-10 18:01:10 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-08-11 08:58:59 -0700 |
| commit | ef3f7cc41280e9611a837df1fedf3f6d4d921a75 (patch) | |
| tree | 63df51b25c2d8e3fb584cbfbe49cb0bdcbd07895 /drivers/scsi/osst.c | |
| parent | 13bcbc008790b05413c9a16763b423c206528c0a (diff) | |
| download | linux-ef3f7cc41280e9611a837df1fedf3f6d4d921a75.tar.gz linux-ef3f7cc41280e9611a837df1fedf3f6d4d921a75.tar.bz2 linux-ef3f7cc41280e9611a837df1fedf3f6d4d921a75.zip | |
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>
Diffstat (limited to 'drivers/scsi/osst.c')
| -rw-r--r-- | drivers/scsi/osst.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/scsi/osst.c b/drivers/scsi/osst.c index d64b7178fa08..278b352ae78d 100644 --- a/drivers/scsi/osst.c +++ b/drivers/scsi/osst.c @@ -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; |