From: Adrian Bunk <bunk@stusta.de>
Date: Tue, 17 May 2005 04:53:38 +0000 (-0700)
Subject: [PATCH] drivers/input/keyboard/atkbd.c: fix off by one errors
X-Git-Tag: accepted/tizen/common/20141203.182822~44588^2~234
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=53b21689ba567ad437e4d7917dd9da54a8d6fd5c;p=platform%2Fkernel%2Flinux-arm64.git

[PATCH] drivers/input/keyboard/atkbd.c: fix off by one errors

This patch fixes two possible off by one errors found by the Coverity
checker (look at the period[i] and delay[j] in the two first unchanged
lines).

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Cc: Vojtech Pavlik <vojtech@suse.cz>
Cc: Dmitry Torokhov <dtor_core@ameritech.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c
index ff66ed4..79c332f 100644
--- a/drivers/input/keyboard/atkbd.c
+++ b/drivers/input/keyboard/atkbd.c
@@ -465,8 +465,10 @@ static int atkbd_event(struct input_dev *dev, unsigned int type, unsigned int co
 			if (atkbd->softrepeat) return 0;
 
 			i = j = 0;
-			while (i < 32 && period[i] < dev->rep[REP_PERIOD]) i++;
-			while (j < 4 && delay[j] < dev->rep[REP_DELAY]) j++;
+			while (i < 31 && period[i] < dev->rep[REP_PERIOD])
+				i++;
+			while (j < 3 && delay[j] < dev->rep[REP_DELAY])
+				j++;
 			dev->rep[REP_PERIOD] = period[i];
 			dev->rep[REP_DELAY] = delay[j];
 			param[0] = i | (j << 5);