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| author | Roel Kluin <roel.kluin@gmail.com> | 2009-09-22 16:47:38 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-23 07:39:56 -0700 |
| commit | f7a595e98c3140f1271957aa742a6b84407620d4 (patch) | |
| tree | e0566fee9bcebfc681d635fd430ccac87604e611 /drivers/video/console | |
| parent | db8df7b0622cc6ddad993da2e4dfaf3b5d98ee30 (diff) | |
| download | linux-f7a595e98c3140f1271957aa742a6b84407620d4.tar.bz2 | |
drivers/video/console/newport_con.c: fix read outside array bounds
It reads linetable[] before checking bounds of index, and ARRAY_SIZE is
required because linetable[] are unsigned shorts.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/video/console')
| -rw-r--r-- | drivers/video/console/newport_con.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/video/console/newport_con.c b/drivers/video/console/newport_con.c index d31b203bf654..3772433c49d1 100644 --- a/drivers/video/console/newport_con.c +++ b/drivers/video/console/newport_con.c @@ -216,7 +216,7 @@ static void newport_get_screensize(void) } newport_xsize = newport_ysize = 0; - for (i = 0; linetable[i + 1] && (i < sizeof(linetable)); i += 2) { + for (i = 0; i < ARRAY_SIZE(linetable) - 1 && linetable[i + 1]; i += 2) { cols = 0; newport_vc2_set(npregs, VC2_IREG_RADDR, linetable[i]); npregs->set.dcbmode = (NPORT_DMODE_AVC2 | VC2_REGADDR_RAM | |