linux-kernel - [RFC: 2.6.21 patch] fix sound/pci/ice1712/wtm.c:wtm

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Message-ID: <20070319092438.GL752@stusta.de>
Date:	Mon, 19 Mar 2007 10:24:38 +0100
From:	Adrian Bunk <bunk@...sta.de>
To:	Clement Guedez <klem.dev@...il.com>
Cc:	Takashi Iwai <tiwai@...e.de>, Jaroslav Kysela <perex@...e.cz>,
	alsa-devel@...a-project.org, linux-kernel@...r.kernel.org
Subject: [RFC: 2.6.21 patch] fix sound/pci/ice1712/wtm.c:wtm_init()

The Coverity checker spotted this bogus for() loop that produces an 
array overrun.

It seems what actually should be done is quite simple?

Signed-off-by: Adrian Bunk <bunk@...sta.de>

---

 sound/pci/ice1712/wtm.c |   14 +++-----------
 1 file changed, 3 insertions(+), 11 deletions(-)

--- linux-2.6.21-rc3-mm2/sound/pci/ice1712/wtm.c.old	2007-03-19 01:29:23.000000000 +0100
+++ linux-2.6.21-rc3-mm2/sound/pci/ice1712/wtm.c	2007-03-19 01:33:06.000000000 +0100
@@ -489,23 +489,15 @@
 
 static int __devinit wtm_init(struct snd_ice1712 *ice)
 {
-	static unsigned short stac_inits_prodigy[] = {
-		STAC946X_RESET, 0,
-		(unsigned short)-1
-	};
-	unsigned short *p;
-		
 	/*WTM 192M*/
 	ice->num_total_dacs = 8;
 	ice->num_total_adcs = 4;
 	ice->force_rdma1 = 1;
 
 	/*initialize codec*/
-	p = stac_inits_prodigy;
-	for (; *p != (unsigned short)-1; p += 2) {
-		stac9460_put(ice, p[0], p[1]);
-		stac9460_2_put(ice, p[0], p[1]);
-	}
+	stac9460_put(ice, STAC946X_RESET, 0);
+	stac9460_2_put(ice, STAC946X_RESET, 0);
+
 	return 0;
 }
 

-
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