linux-kernel - [2.6 patch] dvb/frontends/tda18271-common.c: fix off-by-one

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Message-ID: <20080128221241.GG8767@does.not.exist>
Date:	Tue, 29 Jan 2008 00:12:41 +0200
From:	Adrian Bunk <bunk@...nel.org>
To:	Michael Krufky <mkrufky@...uxtv.org>,
	Mauro Carvalho Chehab <mchehab@...radead.org>
Cc:	v4l-dvb-maintainer@...uxtv.org, linux-kernel@...r.kernel.org
Subject: [2.6 patch] dvb/frontends/tda18271-common.c: fix off-by-one

This patch fixes an off-by-one error spotted by the Coverity checker.

Signed-off-by: Adrian Bunk <bunk@...nel.org>

---
--- linux-2.6/drivers/media/dvb/frontends/tda18271-common.c.old	2008-01-28 16:27:55.000000000 +0200
+++ linux-2.6/drivers/media/dvb/frontends/tda18271-common.c	2008-01-28 16:28:38.000000000 +0200
@@ -166,17 +166,17 @@ int tda18271_read_extended(struct dvb_fr
 	/* read all registers */
 	ret = i2c_transfer(priv->i2c_adap, msg, 2);
 
 	tda18271_i2c_gate_ctrl(fe, 0);
 
 	if (ret != 2)
 		tda_err("ERROR: i2c_transfer returned: %d\n", ret);
 
-	for (i = 0; i <= TDA18271_NUM_REGS; i++) {
+	for (i = 0; i < TDA18271_NUM_REGS; i++) {
 		/* don't update write-only registers */
 		if ((i != R_EB9)  &&
 		    (i != R_EB16) &&
 		    (i != R_EB17) &&
 		    (i != R_EB19) &&
 		    (i != R_EB20))
 		regs[i] = regdump[i];
 	}

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