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drivers/video/console/newport_con.c: fix read outside array bounds

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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>
This commit is contained in:
Roel Kluin 2009-09-22 16:47:38 -07:00 committed by Linus Torvalds
parent db8df7b062
commit f7a595e98c
1 changed files with 1 additions and 1 deletions
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2
drivers/video/console/newport_con.c
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@ -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 |