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>

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 |